Enclosed impeller
[化] 闭式叶轮
🧩 词语组成解析
a. 被附上的\\n[经] 附上, 内附
n. 推进者, 叶轮\\n[化] 叶轮
🗣️ 情景例句
After my wife died,
我妻子去世后，
I had no idea.
真没想到。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.
她称这些佣人叫“流动人口”，因为他们来匆匆，所以我甚至都没有机会知道他们的姓名。