Mercaptoethanol
[建] 氢硫基乙醇
🗣️ 情景例句
San Francisco General Hospital.
这里是旧金山总医院。
How long have you been studying English?
你学了多长时间的英语了？
Outside the rain had turned into a storm and lightning flashed over the hills.
洞外，小雨已变成狂风暴雨，闪电划过山岗。