Synapsida
合弓型
🗣️ 情景例句
I don't understand. Did you exercise or not?
我搞不懂 ，你到底作了健身操没有？
I worked at the grocery store yesterday.
我昨天在杂货店工作。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，