Classificator
分级器; 粒选机; 精选机
🗣️ 情景例句
But don't you think it'd be a good subject?
你不觉得这是个好题材吗？
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
I haven't even touched your tooth yet.
我还没有碰到你的牙齿呢。