Globoidal cam
[机] 球形凸轮
🧩 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
I can't figure out why he quit his job.
我不能理解他为什么要辞职。
He's a composer of church hymns.I like his music a lot.
他是宗教诗歌作曲家，我很喜欢他的音乐。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？