Closed boundary
[化] 闭式边界
🧩 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。
I don't seem to have any luck today.
我今天运气不好。
It's a desk.
一张书桌。