Variable pitch airscrew
[机] 调距螺旋桨
🧩 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
Name: Max Stewart.
姓名 ：Max Stewart。
She was flattered by their praise.
他们的称赞使她受宠若惊。
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。