Panhydrometer
通用(液体)比重计
🗣️ 情景例句
I really enjoyed the meal.
我真的吃得很高兴。
As a senior, Peter is writing his thesis.
作为大学四年级学生，彼得正在写毕业论文。
The woodcutter replied: I'm going to cut this tree down.
伐木工人回答说：“我要把这棵树砍倒。”