before的例句

before 的相关例句:

31.	It was an astute move to sell just before prices went down.
	正好在价格下跌前脱手,真是精明之举。
32.	He attained the age of 25 before marrying.
	他年届廿五始完婚。
33.	Take careful aim (at the target) before firing.
	开火之前仔细瞄准(目标)。
34.	Think carefully before you answer.
	先仔细想一想再回答。
35.	You must understand the elements of mathematics before we can proceed further.
	你必须先弄懂数学基础知识,我们才能进一步学习。
36.	She embraced her son before leaving.
	她在离开前拥抱着儿子。
37.	Rub the walls down well before painting them.
	先把墙面打磨光滑再粉刷。
38.	I didn't like the way he looked me up and down before speaking to me.
	我不喜欢他在跟我说话之前那样上下打量我。
39.	We must look over the house before we decide to rent it.
	我们必须先查看一下这所房子再决定租不租。
40.	We're going to look round a bit before deciding where to buy a house.
	我们先到各处查看一下,再决定买哪里的房子。