Dinitroamine
二硝[基]胺 ethylenedinitroamine 亚乙基二硝胺
🗣️ 情景例句
Well,
嗯，
You (or One) cannot make a silk purse out of a sow's ear.
粗瓷碗雕不出细花来。
Yes. We've just heard a warning on the radio that a hurricane is likely to come.
是的，我们刚从广播里听到一则气象警报，说是一场飓风可能要到来。