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
Have you ever held a secretarial position?
你曾当过秘书吗？
Whom will you miss to?
你将想谁？
Mary has written ten letters today.
马力今天写了十封信。