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
Where's the ticket counter?
售票处在哪儿？
Can I fix an overseas call to London by person-to-person call?
我要打到伦敦的叫人电话好吗？
Hooray! shouted Class 3. Well done, everyone! Congratulations, Lin Tao!
“赢啦！”3班的同学喊道，“你们太棒啦！祝贺你，林涛！”