Alami
n. (Alami)人名；(阿拉伯、以、法、西、芬)阿拉米
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
Do not swap horses when crossing a stream.
处在危难中，不宜大更动。
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）。