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
Do you have any objections to my paying in cash?
你反对我付现金吗？
Does Karl hope to continue the relationship?
卡尔希望继续保持那种关系吗？
There is a bridge over the river.
河上有一座桥。