Dfp
[化] 异丙氟磷\\n[医] 氟磷酸二异丙酯, 异丙氟酯
🗣️ 情景例句
You sound excited about Columbia.
听起来你对Columbia大学跃跃欲试。
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
That is John Smith,isn't it?
你是约翰。史密斯，对吗？