Polyphenylethyl
聚乙基苯
🗣️ 情景例句
Hmm. I can't remember.
嗯， 我记不起来了。
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
Debbie intends to take short rests every two hours.
黛比计划每两小时休息一下。