breaking down 是什么意思

	1.	The dam broke down and in result the land was flooded . 土地因而被淹。
	2.	Sugar and starch are broken down in the stomach . 糖和淀粉在胃里被分解。
	3.	He has completely broken down ( in health ) . 他的身体彻底垮了。
	4.	She breaks down and grabs him by the shoulder . 她忍不住，抓住他的肩膀。
	5.	I can't have you breaking down in health . 我决不能让你搞垮你自己的身体。
	6.	She was nearly broken down with suspense . 由于担心，她几乎已经神经崩溃了。
	7.	In desperation , he finally broke down the door ... 最后，他横了心把门砸开。
	8.	Negotiations between the two sides have broken down . 双方间的谈判已经破裂。
	9.	Molecules may be further broken down . 分子可以进一步分解。
	10.	The poor bastard had just broken down completely . 这个小子当时简直就吓瘫了。

breaking down是什么意思