Double heterojunctionlasers
[化] 双异质结晶激光器
🧩 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
🗣️ 情景例句
What makes you feel good?
什么使你感到高兴？
Sorry kept you waiting so long. You are on .
抱歉让你久等了，接通了。
The dream he had had for so many years ended there.
他多年来的幻想从此破灭。