Yabla video uses of 海陆空

一级 yījí
战备 zhànbèi
全副武装 quánfùwǔzhuāng
警戒 jǐngjiè
线 xiàn
封锁 fēngsuǒ
海陆空 hǎilùkòng
a
First class preparation, full combat, absolute alert, and seal off all navy and air access!