Pehameter
[化] pH计
🗣️ 情景例句
Mama, what are they doing to me? Help!
妈妈 ，他们在对我做什么？ 救命呀！
Hasty climbers have sudden falls.
大起者有大落。
We know instinctively, just as beekeepers with their bees,
我们本能地懂得，就像养蜂人和他的蜜蜂那样，