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
Me, too. Milk, please.
我也一样。请递给我牛奶。
Tell us about your post-purchase servicing.
告诉我们有关你们售后服务的情况。
It's nothing. Don't worry. You'll be OK, said Li Lei. But you'd better not talk.
“这算不了什么。不要着急。你会好的”，李垒说，“但你最好不要说话”。