Hydroplumbation
铅氢化作用
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
Packing charges are excluded in the quoted prices.
包装费用未算在报价中。
Their feet were fixed to one bar and their hands to another bar.
他们的脚拴在一根铁杠上，他们的手拴在另外一根铁杆上。