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
Did you catch anything?
你钓到什么鱼没有？
Have you offered him any candy?
你给他糖果吗？
While they enjoy the comfort and banal luxury of their dwelling,
在享受自己住宅的舒适和庸俗的豪华时，