Thioarsenious acid
[化] 硫代亚砷酸
🧩 词语组成解析
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
Is there anything else I should do?
我还有别的事要做吗？