Heptaldehyde
(=enanthal, enanthic aldehyde)庚醛
🗣️ 情景例句
What do you recommend?
有什么建议?
The bird that can sing and won't sing must be made to sing.
生来能唱的鸟,不愿唱也得叫它唱。
If he had not broken his tooth, he would not be in hospital now.
如果他没有把牙齿弄坏,现在就不在医院了。
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