Conical roller
[机] 锥形滚子
🧩 词语组成解析
a. 圆锥形的, 圆锥的\\n[计] 圆锥的
🗣️ 情景例句
He jumps from one job to another.
他经常换工作。
My grandma is 40 years older than me.
我祖母比我大40岁。
she has to help with the washing.
她得帮忙洗衣服。