Dealkalization
[化] 脱碱作用
🗣️ 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。
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
Sophie, this is Hans.He is German.
索菲娅，这位是汉斯。他是德国人。