Rissoacea
里索螺超科
??? 情景例句
After I finish my homeword, I usually watch TV for half an hour or so.
我做完作業后，通常看半個小時的電視。
He's behind the rest of the class in reading.
他在閱讀方面不如班上的其他同學。
Experts believe that there are about 40,000 different types of job in the world. Choosing the right one is a difficult job in itself.
專家們認為世界上大約有4萬個不同種類的工作。要從中選擇一個適合自己的工作是很困難的。