Defensive satellite
[计] 防御卫星
🧩 词语组成解析
defensive
[di'fensiv]
adj. 防御用的，防守的;辩护的;自卫的;
n. 守势;辩护;
satellite
['sætəlaɪt]
n. 卫星;人造卫星;卫星国;卫星区;
v. 通过通讯卫星播送[传播];
🗣️ 情景例句
I'm surprised they're not here.
我奇怪他们怎么没来。
Every advantage has its disadvantage.
有利必有弊。
there is no evidence that the total amount of activity is any less.
但没有迹象表明，其活动总量有任何减少。