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
Nope.
没有。
I took one quart of oil.
我拿了一夸特油。
It was as clear as daylight then that burglars had forced an entry during her absence.
事情很清楚，在她外出时，窃贼曾闯进家门。