Backfeed loop
[化] 反馈回路
🧩 词语组成解析
反馈
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
But you had to be good at math.
但是你数学一定很好。
What would you have done last night if you hadn't had to study?
如果昨晚你不必学习你会做什么？
Jim ran very fast, but Yu Yan from Class 1 ran faster. He began to catch up with Jim.
吉姆跑得非常快，但是1班的余延跑得更快。他开始赶上吉姆。