Pehameter
[化] pH计
🗣️ 情景例句
I can communicate with foreigners easily.
我能轻松地和外国人沟通。
While you trust to the dog,the wolf slips into the sheepfold.
当你认为狗可信，狼已偷偷把羊圈进。
What do you think I should do then?
那您认为我该怎么做呢？