Delta acid
[化] δ酸; 2-萘酸-7-磺酸(染料中间体)
🧩 词语组成解析
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
🗣️ 情景例句
Take the time to be there for your children and they will grow up into responsible young adults.
花点时间陪伴你的小孩，他们会成长为有责任心的人。
Sick!
好恶心！
In times of peace, when business was bad, Hawkwood and his men would march into a city-state and, after burning down a few farms, would offer to go away protection money was paid to them.
和平时期，当生意萧条时，霍克伍德便带领士兵进入某个城邦，纵火烧毁一两个农场，然后提出，如向他们缴纳保护金，他们便主动撤离。