Yps
abbr. Port Hawkesbury; Nova Scotia; Canada 加拿大; 新斯科舍
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
Excuse me, I'd like to ask you a question.
对不起，我可以问个问题吗？
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）