Cellular cbonite
[建] 蜂窝硬质胶, 微孔硬胶
🧩 词语组成解析
🗣️ 情景例句
Attending school is compulsory in this country.
这国家衽的是义务教育。
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
I haven't seen him for five years.
我五年没有见到他了。