Bisulfid
n. 二硫化物
🗣️ 情景例句
Yes, I have been working in an advertisement company in the last two years.
是的，在过去两年里，我一直在一家广告公司工作。
We are looking forward to our vacation.
我们盼望着假期的到来。
The largest was 713 pounds.
最重的一个达713磅，