🧩 词语组成解析
母菊属
🗣️ 情景例句
I'm sick of his long, empty speeches.
他那冗长而又没有内容的演讲令我厌倦。
I'm hungry.
我饿了。
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。