Pfbc
[医][=pentafluoro-benzyl-chloroformate]五氟苯甲基氯甲酸酯
🗣️ 情景例句
Hey, you know? There's still some film left on this roll,
嘿 ,知道吗? 这一张 ,还有一些底片,
He has gone to America.
他去美国了。[动作结束后的结果持续至今]
The bank must obey its customer's instructions, and not those of anyone else.
银行必须遵照储户的嘱托办事,不能听从其他人的指令。
更多情景英语 ›