Tfm
[化] 三氟甲硝酚
🗣️ 情景例句
No. Please endorse the check at the back.
不会的，请在支票背面签名。
There must be someone behind the door.
门后必然有人在。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。