Carbodiazone
[化] (某)雙偶氮酮(指含有二價基-N
??? 情景例句
Not really.
不是吧。
It is a good horse that never stumbles.
良馬不失蹄。
With a smile the man from downstairs said: I'm sorry to trouble you, comrade.
“對不起，打擾你了，同志?！?/div>
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