Lagged surface
[机] 护热面
🧩 词语组成解析
v. 走得极慢, 落后( lag的过去式和过去分词 ); 给（管道等）加防冻保暖层
surface
['sɝfɪs]
n. 表面;外观，外表;地面。水面;
vi. 浮出水面;在表面工作;显露;
vt. 使浮出水面;使成平面;
adj. 表面的，外观的;外表上的，平地上的;肤浅的;
sur超过，在上面+face脸面→表面
🗣️ 情景例句
That's a relief.
现在我放心了。
We are prepared to reconsider amending the contract.
我们可以重新考虑修改合同。
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.
那个看来满脸沮丧、浑身漆黑的家伙从烟囱里一出来，就承认头天夜里他企图到店里行窍，但让烟囱卡住了。