Header coil
[計] 首標圈
?? 詞語組成解析
header
['hed?]
n. 頭球;割穗機;（計算機打印時自動加在各頁頂端的）標頭;集管;
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
How soon will my mail be received by the other end?
我的信件多快能被對方收到？
Is it raining now?
現在正在下雨嗎？
I really ought to go and have my eyes tested.
我確實該去檢查一下我的眼睛了。