Amberplex
离子交换膜
🗣️ 情景例句
But there are one point which I'd like to bring up about the packing.
不过还有一点我得提出来，关于包装问题。
As a senior, Peter is writing his thesis.
作为大学四年级学生，彼得正在写毕业论文。
Because my father wanted to work in China.
因为我父亲想要在中国工作。