Distance velocity lag
[化] 距速滞后(炼油自控术语)
🧩 词语组成解析
distance
['dɪstəns]
n. 距离，路程;远处;疏远;（时间的）间隔，长久;
vt. 把…远远甩在后面;疏远;与…保持距离;
dist距离 + ance 表名词，状态、情况、性质、行为 → n.距离,间距;远处
lag
[læg]
vi. 走得极慢，落后;
vt. 落后于;给…加上外套;把…关进牢里;逮捕;
n. 滞后，（两事件之间的）时间间隔;囚犯;防护套;桶板;
🗣️ 情景例句
I understand.
我了解。
To really understand a man we must judge him in misfortune.
要真正了解一个人，需在不幸中考察他。
Looking up I saw that we were surrounded by children in rags who were looking at us silently as we ate.
我抬头一看，发现我们被一群衣衫褴褛的小孩团团围住了，他们在默不作声地看着我们吃饭。