Microelectrolysis
微量电解
🗣️ 情景例句
and come back Sunday.
然后在星期天回来。
Which would you prefer, a smoking seat or a non-smoking seat?
你喜欢哪种，吸烟座还是禁烟座呢？
The doctors removed a section of the mummy and sent it to a laboratory.
医生们从木乃伊身上取下一个切片，送去化验。