Vulcanizing
v. 硫化, 硬化, 热补( vulcanize的现在分词 )
🗣️ 情景例句
They talk about things like family, work, school or sports.
他们常常谈论家庭，工作，学校或运动。
Not yet.
还没有。
It is only 380,000 kilometres away, and it has been visited by man already.
已经有人到过月球旅行了。