Hydrogen persulfide
[化] 过硫化氢
🧩 词语组成解析
[化] 过硫化物\\n[医] 过硫化物
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
I invited him last Thursday.
我上个星期四邀请他。
Yes, that is absolutely right.
啊，对的，是应该这样。