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
Mary is not available at the moment.
Mary现在没空接电话
In his defense, he still tried to justify himself.
为了保护自己，他一直试图证明自己的行为是正当的。
Do you usually buy in large quantities?
你们的订购量通常都很大吗？