If their forces were not involved, then who is to blame?
如果他们的军队没有参与，那么谁应该受到指责呢？
If their luck holds, they could still win the championship.
如果他们的好运持续下去，他们仍能赢得冠军。
Employees will generally be more cooperative if their views are taken seriously.
如果雇员的意见得到认真对待，他们一般都会更加配合。
The best scientists, if their personal circumstances permit, will go abroad.
如果他们的个人情况允许，最好的科学家将会出国。
If their proposal becomes a reality, it will revolutionize train travel in Europe.
如果他们的建议成为现实，将会给欧洲的火车旅行带来一场革命。
The list may become some intangible shackles for them if their own school ranks poorly.
如果他们自己的学校排名不佳，这个名单可能会给他们带来无形的束缚。
Some began to stop taking bathroom breaks, worried that if their productivity fell they would be fired.
一些人不再去上厕所，他们担心若工作效率下降，就会被解雇。
If children are turning to athletes as role models, it's in their best interest if their idols are consistent.
如果孩子们将运动员当作榜样，那么如果他们的偶像始终如一，那对儿童来说最有利。
If their population is tracked through time, it will be seen to be particularly unstable—soaring and plummeting in irregular cycles.
如果对它们的数量进行时间记录，就会发现它是很不稳定的——以不规则的周期急剧上升下降。
What got Dr. Clark and his colleagues excited is that, if their calculations are correct, the magnetar in question should have been a black hole.
克拉克博士和他的同事们兴奋的是，如果他们的计算正确的话，那么讨论中的磁星应该是一个黑洞。
Graduate students and postdocs, who often are working on their lab head's grant, may have no choice if their supervisor or another senior colleague opposes sharing.
研究生和博士后通常在实验室负责人的资助下工作，如果他们的导师或其他资深同事反对分享，他们可能别无选择。
They went at the job as if their lives depended on it.
他们干起活来好像性命攸关似的。
They wonder if their community is no longer insulated from big city problems.
他们想知道他们的社区是否不再与那些大城市的问题隔离。
He wondered if their friendship would continue.
他想知道他们的友谊是否会继续下去。
If their feathers remain ruffled, it may mean they are ill.
如果它们的羽毛仍然蓬乱，那可能意味着它们生病了。
Many even feel that they lose face if their guests have eaten all the food.
许多人甚至觉得，如果他们的客人把所有的食物都吃完了，他们会觉得很丢脸。
If their activities do harm to the waterways, they will be moved away, the law says.
法律规定，如果他们的活动对水道造成损害，他们将被驱逐。
Children will be in danger in a swimming pool if their parents don't take good care of them.
如果父母不好好照顾孩子，他们在游泳池里会有危险。
We should make every effort to prevent violence happening at school, for more and more students would drop out of school if their personal safety couldn't be guaranteed.
我们应该尽力防止校园暴力事件的发生，因为如果不能保证学生的人身安全，会有越来越多的学生辍学。
In the world of animals in nature, the young may not be so lucky or easy to find a foster parent if their parents die or lose the ability to raise them.
在大自然的动物世界中，如果幼崽的父母死亡或失去了抚养的能力，幼崽们可能不会那么幸运或轻易地找到养父母。
Check if their children have enjoyed it.
判断孩子是否喜欢节目。
Teams work best if their members have a strong common culture.
如果团队成员拥有很强的共同文化，合作效果就最好。
Humans cannot, and would die if their legs were exposed for any length of time.
人类做不到这一点，如果双腿暴露，不管时间长短，都会死。
These programs could, if their authors wished, do all kinds of nasty things to your computer.
只要程序员想，这些程序就可以对你的计算机做各种各样的坏事。
Cheaters often feel invisible, as if their actions "don't count" and don't really hurt anyone.
作弊者常常觉得自己是不被注意到的，好像他们的行为“无关紧要”，没有真正伤害到任何人。
I wonder if their verse and music, like the music of crickets, are in some way voices of the moon.
我想知道他们的诗歌和音乐，就像蟋蟀的乐曲，是否在某种程度上算是月亮的声音。
If the Nightcap Oak remains, if their seeds remain locked inside their shell, they will not germinate.
如果夜冠橡树还在，如果它们的种子还锁在壳里，它们就不会发芽。
It would be great if they would be able to tell us whether they are hungry or if their backs are itchy.
如果它们不仅能告诉我们它们是否饿了，或者它们的背部是否发痒，那就太好了。
China's New Food Act provides for a food recall system where producers have to stop production if their food isn't up to standards.
中国的新食品法规定了食品召回制度，如果食物质量不达标，生产商必须停止生产。
Some complain about the teachers if their kids get hurt in schools; some even challenge the schools' teaching methods and management.
如果孩子在学校受伤，一些人就抱怨老师；有些甚至质疑学校的教学方法和管理。
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