Pinion head
[医] 粗对光器, 粗螺旋
🧩 词语组成解析
pinion
['pinjən]
vt. 抓住[捆住]（双臂）;
n. <术>小齿轮;
head
[hed]
n. 上端;头脑;头部;首脑，首长;
vt. 用头顶;前进;作为…的首领;站在…的前头;
vi. 朝…行进;出发;向…方向移动;船驶往;
adj. 头的;在前头的;首要的;在顶端的;
🗣️ 情景例句
Do you accept credit cards?
你们接受信用卡吗？
The path down to evil is easy.
堕入罪恶的道路是容易走的。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。