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
I studied fashion design in university but they can't teach you the natural talent which is such an important part of it.
我曾经在大学里学过时装设计，但在这方面有天赋的老师却无法教授，而天赋对时装设计又是极其重要的。
That's rather disappointing.
真是让人失望。
Yes, of course.
当然。