Quadraline
四声道线路
🗣️ 情景例句
Jogging is a popular form of exercise.
慢跑是一种十分普及的体育活动。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
I went on an excursion recently, but my trip took me longer than I expected.
最近我作了一次短途旅行，但这次旅行所花费的时间比我预计的要长。