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
Well, Grandpa wanted me to study engineering, like him.
嗯 ，爷爷希望我像他一样学工程。
Don't let him fool you.
别被他唬了。
I think I've caught a cold.
我想我得了感冒。