🧩 词语组成解析
n. 船体纵向二阶波振；弹簧现象；弹性装置
cow
[kaʊ]
n. 奶牛，乳牛;母兽;雌（象，鲸等）;<侮辱>对女性的蔑称;
vt. 恐吓;吓唬;威胁;
🗣️ 情景例句
I think I have fallen in love with someone.
我恋爱了。
My son wants to be a policeman when he grows up.
当他长大时，我的儿子想要成为一个警察。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。