Tectosome
构造体; 构造相层
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
He is playing on the swings outside.
他正在外面荡秋千。
No, it isn't. It's a Japanese car.
不是。那是一辆日本产的小汽车。