at command 掌握, 可自由使用
at sb.'s command 听某人支配
by sb.'s command 听某人支配
at the word of command 【军】一声令下
get command of 控制
have a good command of 能自由应用
have at one's command 能充分掌握
high command 统帅部 (机关、组织等的)最高领导班子
in command of 指挥着
second in command 【军】副指挥
take command of 开始担任...指挥
under (the) command of 由...指挥; 在...指挥之下
Yours to command [古]顿首, 再拜(信尾的谦恭用语, 意即 yours obediently )
command of the air 制空[海]权
command of the sea 制空[海]权
【参考例句】
1.COMMAND)-Yes, Kiith-Sa. Very Clear. KUUN-LAN out.