Closed-circuit
成人 Adult Edua. 闭路式的
🏥 医学释义
闭合电路，通路
🧩 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
🗣️ 情景例句
It's impossible to translate this exactly, you'll never fully appreciate the piece.
这篇文章不可能准确翻译，所以你也许永远不可能好地阅读它。
Rivers need a spring.
大河要有源头。
Here was a seven-year-old girl who at the age of 19 months had become deaf and blind.
一个7岁的女孩，出生19个月后就得了聋盲症。