They could sail out for days into the unknown and assess the area, secure in the knowledge that if they didn't find anything, they could turn about and catch a swift ride back on the trade winds.
他们可以在未知的海域航行数天，并对该地区进行评估。他们知道如果没有发现任何东西的话，他们可以掉头，并借着信风迅速返回。
When the unknown a little bird has just touched the branches, they are just like a butterfly-like floating down.
当些许不知名的鸟儿刚触到枝头，它们便如蝴蝶般飘了下来。
It looks like this young man is taking a dangerous leap into the unknown as a massive chasm opens up in the middle of a shopping mall.
从图上看，这是一个购物中心，但地面开裂了，而一个年轻人正在冒险飞越深渊。
A real and pressing issue is that many plant species have not yet been cataloged, and so their place in the ecosystem is unknown.
一个现实而紧迫的问题是，许多植物物种还没有被编目，因此它们在生态系统中的位置是未知的。
Mikoshi-nyudo's true identity is unknown, but in some areas, he is believed to be a shape-shifting weasel, fox or tanuki.
见越入道的真实身份仍是未知，但有些地区的人们相信他是由黄鼠狼，狐貍或貍变的。
While there are signs that a mushroom is poisonous, they are not consistent, and all mushrooms of unknown origin should be considered dangerous to eat.
尽管有特征说明蘑菇是有毒的，但它们是不一致的，所有来历不明的蘑菇都应该被认为是有危险的食物。
If the symbol were Coptic, the first symbol would be "ra" and then an unknown symbol followed by a double "S" sound.
所以如果这个符号是埃及古语，第一个符号应该是“ra”，然后是一个未知的符号，后面跟着一个双“S”音。
These "thought experiments" were pages of calculations signed and submitted to the prestigious journal Annalen der Physik by a virtual unknown.
这些“思想实验”是几页纸的计算，由一个虚拟的未知者签名并提交给著名的《物理学年鉴》杂志。
Faced with unknown challenges, they are audacious enough to embark on a perilous journey while most of their peers enjoy stable salaries by working as white-collars at high-end office buildings.
面对未知的挑战，他们敢于踏上一段危险的旅程，而他们的同龄人大多在高端写字楼里做白领，享受着稳定的薪水。
A man and a woman of unknown nationalities died when gunmen driving by opened fire on their car near the DHL courier office.
在DHL速递办公室附近，枪手开车接近他们的车后开火，尚未知国籍的一男一女死亡。
So, like the British, Shirase presented his expedition as a search for knowledge: he would bring back fossils, make meteorological measurements and explore unknown parts of the continent.
因此，和英国人一样，Shirase 把他的探险描述为对知识的探索：他会带回化石，进行气象测量，并探索未知的大陆。
Furthermore, a little bravery can result in the possibility of success when confronted with something unknown.
此外，当面对一些未知的事情时，一点勇气可以导致成功的可能性。
It was also, and this is unknown even to many people well read about the period, a battle between those who made codes and those who broke them.
甚至许多熟读这段时期历史的人都不知道，这也是一场编写代码者和破译代码者之间的战争。
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
在对组织样本进行基因分析后，科学家确认这条蛇是一个此前不为人知的物种。
There have been no studies of the effects of a low carbohydrate diet on pregnancy, so its effect on the fetus, if any, is unknown.
目前还没有关于怀孕时低碳水化合物饮食影响的研究，因此如果它对胎儿有什么影响也是不知道的。
If an unknown person enters a home, the camera will send the owner a warning that will cause an alarm to sound on the owner's smartphone.
如果一个不知名的人进入家中，摄像头就会向主人发送警告，并在主人的智能手机上响起警报。
Since 2006, in France, an unknown gang of thieves have been emptying supermarket safes, using nothing more than a drill and a modified vacuum cleaner.
自2006年起，法国有一个不知名的盗窃团伙专门开超市保险箱，所用的工具只有电钻和改造的真空吸尘器。
The team was led by Dr. Graham Reynolds, from Harvard University, the scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
该研究小组由哈佛大学的格雷厄姆·雷诺兹博士带队，这位科学家在对组织样本进行基因分析后，确认这条蛇是一个此前不为人知的种类。
The team was led by Dr. Graham Reynolds, from Harvard University, the scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
该研究小组由哈佛大学的格雷厄姆·雷诺兹博士带队，这位科学家在对组织样本进行基因分析后，确认这条蛇是一个此前不为人知的物种。
Though the precise harm to our bodies remains unknown, concerns include the microplastics themselves, as well as the fact that they absorb a range of harmful bacteria.
虽然微塑料具体会对我们身体造成怎样的伤害尚不明确，但微塑料本身和他们吸收了大量的有害细菌这一事实让我们忧心忡忡。
This book is a great introduction to the lives and works of some of the most important and up to now unknown women in science.
这本书是很好地介绍了一些最重要的，而且直到现在还不知名的科学界妇女的一生和作品。
Getting out of your comfortable home here to some unknown places is a good experience as well.
走出你舒适的家，去一些未知的地方也是一种很好的体验。
If you buy a blind box, you'll get a box with an unknown item inside.
如果你买一个盲盒，你会得到一个里面有未知物品的盒子。
Reading books builds a bridge between our lives and the unknown world.
读书在我们的现实生活和未知世界之间架起一座桥梁。
When diver Dawn Watson showed sponge expert Claire Goodwin what she found, Goodwin was sure that it was a kind of sponge unknown to science.
当潜水员道恩·沃特森向海绵专家克莱尔·古德温展示她的发现时，古德温确信这是一种在科学上未知的海绵。
He said that his team identified for the first time ever a previously unknown mechanism by which a product of staphylococci prevents inflammation.
他说，他的团队首次确认了以前未知的机制。葡萄球菌通过这个机制产生了预防炎症的抗体。
He has said that if he is a hero then everyone who goes into the unknown is a hero.
他说，若他是个英雄，那么那些走向未知的人们各个都是英雄。
So the unknown is a function, and the equation will relate the partial derivatives of that function to each other.
未知量是一个函数，这个方程，将把函数的偏导数联系起来。
For the majority of these managers, MDD is a big unknown, with a lot of potential risk and uncertain benefits.
对于大多数管理人员来说，MDD是一个巨大的未知数，并且有许多潜在的风险和不确定的利益。
Today's unknown route through a rugged canyon might well become a dotted red line on some future map.
今天崎岖的峡谷内还不知名的路线，将来完全有可能成为地图中一条红色虚线。
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