Geastraceae
n. 【真菌】地星科
??? 情景例句
going to the children's ward once or twice a week
每星期就去小兒科病房一、兩次
Open your books and turn to page 20.
打開書，翻到第20頁。
I know.You must help me do the cooking this afternoon.
我知道。今天下午你得幫幫廚。