Double vernier
[机] 复游标
🧩 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
n. 游尺, 游标, 游标尺\\n[化] 游标
🗣️ 情景例句
A critic was there this morning.
一个评论家早上去过了。
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
My wife and I were at the race.
我和我的妻子也去了。