大陆地壳最古老的部分有40亿年历史。The most ancient parts of the continental crust are 4000 million years old.在地壳深处,温度如此之高,可能足以将岩石熔化.Deep in the earth's crust the rock may be subjected to temperatures high enough to melt it.地层学研究地壳中...
I answered yes in a quavering voice.我用颤抖的声音说是.Even his voice became quavering and lost its old masterfulness.他说话的声音已不象当年那样斩钉截铁,铿锵有力,而是含含混混、结结巴巴、有气无力.The gentle breeze set the flames of the lamps quavering.微风吹得灯火微微跳动....
Doing it once was just about excusable — doing it twice was certainly not.这种事干一次也许还可以原谅，干两次就绝对不能了。Seeing that he is so young, that is excusable.鉴于他如此年轻, 这是可以原谅的.It is to be regarded as excusable in the light of circumsta...