Delta matal
[机] 得尔他合金
🧩 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
It is for me,
对我来说当然足够，
I hope you get to the station on time.
我希望你准时到车站。
The constitution guards the liberty of the people.
宪法保护人民的自由。