Phs
(pH 的复数) 氢离子指数\\n[医] 药典; 苯基
🗣️ 情景例句
I have to turn off the lights,
我得关掉灯，
May I do it by tomorrow?
我能明天做吗？
They don't often have a bad day this year.
他们今年的运气还不错。