Citrullus
西瓜属
🗣️ 情景例句
I'm taking 19 credit hours.
我修了十九个学分。
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
He's upstairs.He's having a bath.
他在楼上。他正在洗澡。