Black-ops
黑色行动
🧩 词语组成解析
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
abbr. （美国）物价管制局（Office of Price Stabilization）；管道安全处（Office of Pipeline Safety）
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。
We don't need it until next month.
我们要到下个月才用得着。