Thiosan
[化] 二硫化四甲基秋兰姆
🗣️ 情景例句
Is unwilling to start at the bottom, expects too much too soon.
不愿从基层干起，要求太多。
What time do you think it is?
你以为现在几点？
It is no use learning without thinking.
学而不思则惘。