学习资料

[意       思]adj. 不变的，稳定的
[例]  He is constant to his purpose. 他始终抱定目标。
adj. 持续不断的
[例]  Sam was in constant pain. 萨姆疼痛不止。

更多意思

n.[数，物]常数，常量

adj.连续发生的，不断的，重复的

参考例句

1.	Their whole life was a constant battle against poverty.
	他们一生都在不断地与贫穷作斗争。
2.	Constant stress has made our nerves brittle.
	我们长期处于紧张状态,神经已吃不消了。
3.	Constant interruptions are very aggravating when you're trying to work.
	要工作的时侯,接连不断的干扰就使人非常恼火。
4.	His constant sniffing annoys me.
	他不停地抽鼻子使我心烦。
5.	A nurse was in constant attendance.
	有个护士随时护理。