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
Something old.
旧的东西。
Would you like me to get you something? What about some tea?
给我弄点什么东西呢？喝点茶好吗？
I make them for workers and farmers.
我做完了给工人和农民用？