Gleicheniaceae
n. 里白科；黑白科
🗣️ 情景例句
You should quit smoking, now!
你应该现在就戒烟！
What do economists say about the present crisis?
经济学家们对于现在的危机做何说法？
Look at his big teeth. Isn't he bigger than you?
瞧他的大牙齿。他的块头不是比你大吗？