Polysolve
[医] 波利苏威耳, 磺基蓖麻油酸钠(铵)
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
If you want knowledge,you must toil for it.
若要求知识，须从勤苦得。
Yes, it is.
是啊。