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
Well, let's go down to the coffee shop.
哦 ，那我们下去咖啡厅吧。
Her rudeness went too far.
她太粗鲁了。
Aleko denied taking it and led Dimitri into his backyard.
阿列科不承认，并把迪米特里领进院子。