Open(type) impeller
[化] 开式叶轮; 敞式叶轮
🧩 词语组成解析
n. 推进者, 叶轮\\n[化] 叶轮
🗣️ 情景例句
You're making a mountain out of a molehill.
你在小题大做，把鼹鼠丘当成大山。
Do now waste them, but use them while they are fresh.
不要浪费了这些，要趁未落伍时善加利用。
He had hardly had time to settle down when he sold the house and left the country.
还没等安顿下来就卖掉了房子，离开了这个国家。