Closed circuit operation
[建] 通路操作
🧩 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
Our toy company makes the most wonderful toys for kids.
我们玩具公司为小孩子们制造最棒的玩具。
He's looking forward to going to America.
他盼望去美国。
Ice is only as safe as the water from which it is made,
冰块只有当制造冰块的水安全时才是保险的，