Ungulinidae
蹄蛤科
??? 情景例句
I can see well both day and night.
我白天晚上都能看得很清楚。
My dorm is segregated; but we have weekend parietal hours.
我的宿舍是隔離的，但是，周末有一起相處的時間。
I teach English.
我教英語。