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
Well, there are Dragon Boat Festival, Mid-autumn Festival, Chung Yeung Festival and so on.
嗯，还有端午节、中秋节、重阳节等等。
Many dishes,many diseases.
食多病多。
Why don't we go to the office now?
为何我们现在不去办公室呢？