英汉双语例句-生物医药大词典

At ground level ozone is a dangerous pollutant, but at altitude it blocks the passage of harmful ultraviolet light.

中文意思：
臭氧在地表是一种有害气体，但在高空它阻挡有害的紫外光。

以下为相关句子列表(点击查看，可以看对应的解释）：

	At full capacity， the Canton plant can produce 400，000 vehicles a year， including sedans， minivans， SUVs and pickups.			全速生产时，康顿市的工厂每年可生产四十万辆汽车，包括轿车、小型客货车、休旅车和小卡车。
	At gasoline stations it is illegal for customers to pump more than 10 gallons a minute.			在加油站一分钟之内为用户加超过10加仑的油是非法的.
	At germination, the embryo produces gibberellin, which stimulates the aleurone layer to synthesize enzymes, especially amylase.			在种子萌发过程中，胚产生赤霉素，赤霉素可以刺激糊粉层合成一些酶特别是淀粉酶。
	At grassroots this is highly unpopular.			在非洲民间，这种趋势非常不受欢迎。
	At ground floor, people who needs to get off at level 6 would simply get into the lift and press both the buttons.			在底层，要上第六层的人在进电梯后，就会直接按了其余的两个钮。
	At ground level ozone is a dangerous pollutant, but at altitude it blocks the passage of harmful ultraviolet light.			臭氧在地表是一种有害气体，但在高空它阻挡有害的紫外光。
	At half a tank, I had no choice but to turn back.			一旦用完了半箱油，我就不得不返回了。
	At half time, our team were trailing by12 points, but were able to win in the end.			比赛进行一半时，我们队落后了１２分，但最终我们还是赢了。
	At half-time Kalou replaces Geremi, Essien goes to right-back, and this time 4-3-3 dominates.			巴拉克漂亮的任意球砸在对方门将的后背上弹如网窝。
	At heart the company remains primarily a purveyor of old-world media: some two-thirds of its sales are from books, CDs and DVDs.			但骨子里它还只是一个旧时代的媒体承销商：其三分之二的销售收入来自图书、CD和DVD。
	At heart, a werewolf is a creature of both human and wolf nature, but it is neither fully.			实质上，狼人是自然混合了人和狼的造物，但这样的说明还不够充分。