Kodalk
柯达尔克显影剂, 偏硼酸钠
🗣️ 情景例句
I studied English in school.
我是在学校里学的英语。
I ate noodles for lunch yesterday.
我昨天午饭吃的是面。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，