Visby
维斯比[瑞典东南部港市](在哥特兰岛西岸)
🗣️ 情景例句
Robbie's cooking tonight, and dinner's at six thirty.
今晚Robbie作饭 晚餐六点半开始。
Which would you rather have--steak or fish?
你想要牛排还是鱼？
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）