Delta bond
[化] δ键
🧩 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
She was caught in the branches of our tree.
被我们家树上的树枝夹住了。
You'll be on air in two minutes.
两分钟以后你会上电视。
For lunch I had noodles, salad and later a peach.
午餐我吃了面条、色拉，后来还吃了只桃子。