Welcomely
欢迎的; 令人愉悦的; 受欢迎的
🗣️ 情景例句
Have you ever studied French?
你学过法语吗？
I'm here on business.
我来这里出差。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）