申请务必于四月三十日之前寄到。
昨天不少于三十名登山者到达了顶峰。
他标示出一个半径大约三十英里的半圆。
He indicated a semicircle with a radius of about thirty miles.
我养鸟大约有三十年了。
一名记者因拒绝说出消息来源而入狱已近三十年了。
It's nearly thirty years since a journalist was jailed for refusing to name a source.
计划今年秋天在百货公司举行大约三十场这样的时装展览会。
It plans about 30 such fashion shows this autumn in department stores.
这花园长三十米，宽二十米。
巴士每三十分钟一班，每次浏览共需五十分钟。
Buses leave every thirty minutes and each tour takes a total of fifty minutes.
那位已经教了三十年书的老师，在负责学校工作。
The teacher, who has taught for over 30 years, is in charge of the school work.
你们现在使用的隐形眼镜，与三十年前使用的，已经有天壤之别。
The contact lenses you use today are very different from those used 30 years ago.
潜水点养着种类繁多的鱼类和海洋生物，拉里看到了三十多种不同的生物。
The diving spots afforded such a wide array of fish and sea creatures that Larry saw more than thirty varieties of creatures.
在场的三十个人，除了我之外，都来自瓦努阿图国的一个叫麦克卢尔的小岛。
Thirty people were present, and all except me came from the island called Mcclure in the nation of Vanuatu.
他们希望孩子们能在看电视或玩游戏的时间里抽出至少三十分钟的时间换为户外玩耍。
They want kids to swap at least 30 minutes of watching TV or playing computer games for time playing outside.
一个人到了三十岁，对现实世界的理解，应该更接近《物种起源》而不是《猫和老鼠》。
When a person reaches thirty, his understanding of the real world should be closer to The Origin of Species than to Tom and Jerry.
西苏鲁在监狱里呆了近三十年。
莫扎特显然在二十几岁和三十刚出头时身体很好。
Mozart clearly enjoyed good health throughout his twenties and early thirties.
精神病院百分之三十的床位被无固定住所的人所占用。
30 percent of psychiatric hospital beds are occupied by people of no fixed abode.
现在这批有关玛丽莲·梦露的书籍和记录片是借她去世三十周年纪念之机而发行的。
The present crop of books and documentaries about Marilyn Monroe exploit the thirtieth anniversary of her death.
三十年来，你们一直是恩爱夫妻。
一只蝴蝶在我身上停留了三十分钟。
我和他做了三十年的朋友。
在三十年前的早春，圣海伦斯山开始轰鸣。
In the early spring three decades ago, Mount St. Helens began to rumble.
狄更斯三十出头就开始写小说，并几乎立刻获得了成功。
Dickens started writing novels in his early thirties and became successful almost immediately.
科技的进步可能会让三十年后的人们更容易到达南极洲。
Advances in technology might make Antarctica a lot more accessible three decades from now.
这快速发展的30年借用法语来说可谓“三十年辉煌”。
These 30 boom years were (to borrow the French phrase) "les trente glorieuses".
过去三十年来，退休年龄人口在劳动力中的比例翻了一番。
The percentage of retirement-age people in the labor force has doubled over the past three decades.
然而，它们在下半世纪迅速工业化，特别是在过去二、三十年。
However, they industrialized rapidly in the second half of the century, especially in the last two or three decades.
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