Phs
(pH 的复数) 氢离子指数\\n[医] 药典; 苯基
🗣️ 情景例句
Yes.
是的。
No man learns but by pain or shame.
不经痛苦羞辱，难以取得教训。
As soon as this was done, they cooked a meal over an open fire.
这件事刚刚做完，他们就在篝火上烧起了饭。