Adjustable pitch-propeller
[机] 可调整螺距桨
🧩 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 run my own company. I'm a big fish in a little pond.
我经营自己的公司。我是一条小池里的大鱼。
Do you enjoy watching your babies grow into people?
目睹子女长大成人是一件快乐的事情吧？
She struck the keys too hard and two of the strings were broken.
她在击琴键时用力过猛，损坏了两根琴弦。