Collinsite
淡磷钙铁矿
🗣️ 情景例句
which we made clear at the beginning of the negotiation.
关于这一点，我们早在开始谈判时期就讲明了。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。
There are lots of huge buildings in Beijing.
在北京有许多高大的建筑物。