Double-line
双线，双轨
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Well, come on, Dad.
好， 来吧， 爸爸。
Charity begins at home, but should not end there.
仁爱须由近及远。
Many of them have to wait six months for their goods.
许多顾客不得不等上半年才得到所需的商品。