Variable-pitch propeller
可调螺距螺旋
🧩 词语组成解析
pitch
[pɪtʃ]
n. 场地;最高点;音高;说教;
vt. 用沥青涂;扔，投;树起，搭起;定位于;
vi. 抛，扔;[棒球]当投手;搭帐篷;向前跌或冲;
🗣️ 情景例句
I'm going to show him the photos on Monday morning.
我要在星期一早晨给他看这些照片。
Happy is the man that owes nothing.
无债一身轻。
Yes, there are.
是的，有。