Constant pitch airscrew
[机] 定距螺旋桨
🧩 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;
n. 空气螺旋桨\\n[机] 螺旋桨
🗣️ 情景例句
And then he takes it back
然后 ，他就把它收回去
What influenced you when you made your choice?
你做这样的选择是受了什么影响？
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。