Polyplexer
[电] TR箱
🗣️ 情景例句
Do you sell foreign literature?
这儿有外国文学读物卖吗？
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
At last firemen have put out a big forest fire in California.
消防队员们终于扑灭了加利福尼亚的一场森林大火。