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
How old are you, Albert?
几岁啦， Albert？
Do you have a valid license?
你持有效驾驶执照吗？
Jasper White is one of those rare people who believes in ancient myths.
贾斯珀。怀特是少有的相信古代神话的人之一。