英汉双语例句-生物医药大词典

A leap second is added to keep uniform timekeeping within 0.9 second of the Earth's rotational time, which can speed up or slow down because of many factors, including ocean tides.

中文意思：
增加这一闰秒是为了保证协调世界时（原子时）和地球自转时间（天文时）之间的差距控制在0.9秒以内，地球自转速度的加快或减慢受到很多因素的影响，潮汐就是其中之一。

以下为相关句子列表(点击查看，可以看对应的解释）：

	A leading state university in the Pacific Northwest will serve as our example.			就以太平洋西北的一所顶尖大学来举例。
	A leafy canopy shades about 30 percent of the average American city. But in many cities only one tree is replaced for every four that die.			树木的绿色枝叶搭成的天蓬大约遮盖了平均30%的美国城市。但是在许多城市，平均每死掉4棵树，补种的只有1棵。
	A leaky roof; a leaky defense system.			有漏缝的屋顶；被泄密的防御体系
	A lean and hungry cat came to our door.			一只饥饿的瘦猫走到我家门口。
	A lean dog shames his master.			狗瘦主人羞。
	A leap second is added to keep uniform timekeeping within 0.9 second of the Earth's rotational time, which can speed up or slow down because of many factors, including ocean tides.			增加这一闰秒是为了保证协调世界时（原子时）和地球自转时间（天文时）之间的差距控制在0.9秒以内，地球自转速度的加快或减慢受到很多因素的影响，潮汐就是其中之一。
	A lear stole down her cheek.			一颗泪珠从她的面颊上悄悄地滚下来。
	A learned professor is writing a book about it.			一个有学问的教授正在写一本关于此问题的书。
	A learner driver is issued with a provisional licence and then gets a full licence when he has passed the driving test.			初学开车的人发给一张临时执照，当他通过了驾驶考试就可以领到正式执照。
	A lease is a rental agreement between the lessee and the lessor.			租赁契约是出租人和承租人之间达成的租用协议。
	A leasing company will need to examine the solvency of any future lessee, the reliability of the supplier and the risk on the leased product.			租赁公司需要察看未来租赁人的清偿能力、供货商的信誉和被租赁货物的风险。