Persulfate
[医] 过硫酸盐
✅ 同义词
🗣️ 情景例句
He's not as lucky as I am
他不像我这样幸运地
Pain past is pleasure.
过去的痛苦即是快乐。
The plane was late and detectives were waiting at the airport all morning.
飞机误点了，侦探们在机场等了整整一上午。