Xg
abbr. crossing 横越，交叉口（代号）
🗣️ 情景例句
Give my best to your parents.
替我向你父母问好。
First try, and then trust.
试了才能相信。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。