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
How many are there in your family?
你们家几口人？
I'm not rich. I wish I didn't have to pay the fine.
我不是富有人家，但愿不必交罚款。
Two years later, her father disappeared, never to be heard from again.
两年后，她父亲失踪了，从此再无音讯。