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
We'll make another.
我们还可以再次约会。
It is harder to marry a daughter well than to bring her up well.
养女容易嫁女难。
What do you teach?
你教什么呢？