Yj
abbr. radar homing beacon 归航雷达信标（代号）
🗣️ 情景例句
Concerned about whom?
为谁担心
As requested, we now hold this offer open for a further 5 days since 24th April.
按你方要求，我方报价有效期延长5日，从4月24日起。
OK. Thanks a lot.
谢谢。