Reaction coil
[電] 回授線圈
?? 詞語組成解析
coil
[k??l]
n. （一）卷，（一）盤;盤卷之物;線圈;紛亂，糾纏不清;
vt. 盤繞;卷成一圈;
vi. 繞成盤狀;卷繞成圈;
??? 情景例句
and I promised to have lunch with both of them today.
我答應今天和他們共進午餐。
I know the boy whose father is a guide.
我知道那個男孩的父親是導游。
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能夠跑完游泳池的全長而不用露出水面換氣。