Primnesium
三毛金藻属
🗣️ 情景例句
because she's had to go to Chicago on a business trip and can't leave till tonight.
因为她得到芝加哥出差，而且要到今晚才能脱身。
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
On the day before our departure, several bus loads of tourists descended on the town.
我们离开小镇的前一天，镇上来了几辆满载游客的公共汽车。