Back impeller
[化] 后弯叶轮; 后弯式叶轮
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
n. 推进者, 叶轮\\n[化] 叶轮
🗣️ 情景例句
We've known each other since we were children.
我们从小就认识。
better early than late.
宁早勿迟。
After I had given her some money, she looked into a crystal ball and said: 'A relation of yours is coming to see you.
“您的一个亲戚就要来看您了。