white efflorescence是什么意思 white efflorescence怎么读
white efflorescence的用法和样例
- The trees were clothed in a white mantle of frost.
树披上了一层白霜的服装。 - It was a dry cold night, and the wind blew keenly, and the frost was white and hard.
夜空晴朗，寒意袭人，风吹在脸上好象刀割，地上结了厚厚的一层白霜。
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