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
Your cooking is better than mine, and I certainly prefer not having to bother to cook at all.
你的菜煮得比我好，我当然就不想班门弄斧了。
I have a toothache.
我牙好痛。
Next Annie took me by the hand and taught me how to jump.
接着，她又拉着我的手，教我如何跳。