Zechstein
镁灰岩
🗣️ 情景例句
we'll send you a letter of appointment and can sign a full distributor contract.
我们将给你们送上一份聘书，并签订一份总的销售合同。
I was listening to the radio.
我正在听收音机。
I want Eric to play in a concert with me, on July 13th in London.
我想要艾瑞克和我一起在7月13日伦敦的音乐会上演出。