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
but where would I fit into the plan?
但是我在这项计划中怎么定位呢
I know the boy whose father is a writer.
我知道那个男孩的父亲是作家。
Bad luck! said Mother. It doesn't matter!
“真糟糕！”妈妈说，“没关系！”