Polymetallic
多金屬的
??? 情景例句
He is still unable to express himself in English.
他仍然不能用英語(yǔ)表達(dá)自己的意思。
God helps those who help themselves.
自助者天助之。
It looks as if it hasn't been washed following the instructions.
這看起來沒按說明來洗。