Phenophenanthrazine

[化] 苯并菲嗪

🗣️ 情景例句

John Marchetta gave me my start here six years ago,
六年前 ,John Marchetta让我在这儿起步,
People usually stay out very late on New Year's Eve.
新年夜,人们通常都出去到很晚。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。
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