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Pure air is colourless and odourless.是什么意思？

Pure air is colourless and odourless.

纯空气是无色无臭的.

相关词汇
pure air is colourless and odourless

pure

adj. 纯的，单纯的，纯真的，干净的；prep. 清晰的，纯正的；

air

n. 天空，空气，空中，神态，曲调；v. 晾干，通风，公开发表，播送；

is

vt.& vi. 是（be的三单形式；n. 存在；

colourless

adj. 无色的，无趣的，不刺激的，呆板的；

and

conj. 和，与，而且，于是，然后，因此；

odourless

adj. 没有气味的，无臭的；
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