✅ 同义词
🗣️ 情景例句
beat its rival Horace Mann in baseball today ...
在今天的棒球赛中打败了对手Horace Mann队。
Do you often do composition after school?
你常常在放学后做作文吗？
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）