Yj
abbr. radar homing beacon 归航雷达信标（代号）
🗣️ 情景例句
Yes.
能。
How do you spell your last name?
你的姓怎么拼法？
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题，需要对大量生活在噪音中的人进行研究，