时间:2012-10-05 19:49:46
She and her classmates are in flower ages. 她和她的同学都正值妙龄。
The compaign was in full swing. 运动正值高潮中。
方面：
例：we accepted the item in principle. 我们在原则上接受了这个条款。
They are never backward in giving their views. 他们从来
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