Return cam
[机] 回行凸轮
🧩 词语组成解析
n. 凸轮, 计算机辅助制造, 中央地址存储器\\n[计] 计算机辅助制造; 计算机辅助生产
🗣️ 情景例句
They have nice things, but they've very expensive.
它们的东西不错，但很贵。
From which station does the train leave?
这列火车从哪个站开出呢？
Yes. I don't think it's necessary to buy the bigger one.
有哇。我认为没必要买较大的机子。