1. at command : 可以自由使用；
2. take command of : 开始控制；
3. get command of : 控制；
及物动词
1. command
1. He was told to command his temper.
有人叫他控制脾气。
2. That fort commands the whole valley.
那个碉堡俯视着整个山谷。
3. I command you to start at once.
我命令你立即动身。
名词
1. The army is under the king's command.
军队由国王直接统率。