N,n'-diphenyl-p-phenylenediamine
[化] N,N'-二苯基对苯二胺
🗣️ 情景例句
Are we scheduled to leave on time?
飞机准时起飞吗?
Michael immediately burst into tears.
麦克尔“哇”的一下子哭了出来。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们
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