V-grooved pulley
[化] 三角皮带轮
🧩 词语组成解析
a. 带纹道的；表面有沟槽的
pulley
['pʊli]
n. 滑轮（组），滑车;皮带轮;
v. 用滑轮升起，用滑车推动;给…装滑车;
🗣️ 情景例句
That took place right after the First World War, didn't it?
它就发生在第一次世界大战之后，是吗？
Ready money is a ready medicine.
现钱等于成药。
A long-lost brother, who was presumed dead, was really alive all the time and wickedly plotting to bring about the hero's downfall.And so on.
主人公一位长期失散的兄弟，大家都以为死了，实际上一直活着，并且正在策划暗算主人公；如此等等，