Closed circuit tv
[计] 闭路电视
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
TV
[['ti:'vi:]]
电视\\n[计] 电视, 转移向量
🗣️ 情景例句
You are in great condition. I can't believe it!
你的身体太好啦。我简直不敢相信。
You cannot make a silk purse out of a sow's ear.
猪耳朵做不成丝钱包；巧妇难为无米之炊。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。