🗣️ 情景例句
She's quite used to treading the catwalk.
她已经习惯了走猫步。
Every mother's child is handsome.
老王卖瓜，自卖自夸。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。