Persulfide
[化] 过硫化物\\n[医] 过硫化物
🗣️ 情景例句
Railroad stations or airports--Grandpa always tells us he'll get here by himself.
无论是火车站还是机场，爷爷总是说他会自个儿设法到这 。
He hears the violin squeaking.
他听到了小提琴发出的声音。
and see that nothing particularly alarming is happening to its companions.
并且看到自己的同伴身上没有发生让自己担惊受怕的事。