Surrounding loop
[计] 外层循环
🧩 词语组成解析
surrounding
[sə'raʊndɪŋ]
n. 环境，周围的事物;
adj. 周围的，附近的;
v. 包围( surround的现在分词 );与…紧密相关;围绕;喜欢结交（某类人）;
sur在…下面+round圆圈+ing表动名词→被围起来的状态→环境
loop
[lup]
n. 圈，环;[医]宫内避孕环;回路;弯曲部分;
vt.& vi. （使）成环，（使）成圈;以环连结;使翻筋斗;
🗣️ 情景例句
I know you're building a new factory,
我知道你在兴建一座新工厂，
An evil lesson is soon learned.
学坏容易。
but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies,
在空中十分自如，可以飞行6，000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。