Closed-circuit oil system
[建] 密闭循环加油系统, 密闭循环润滑系统
🧩 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
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
and we'll take your dad with us.
带你爸爸也一起去。
Who knows not how to dissemble knows not how to live.
掩饰感情全不会，怎样生活必不知。
will move decisively from the second phase to the third,
就可以明确地从第2阶段进入第3阶段。