Delta metal
[机] 德他合金
🧩 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;
metal
['mɛtl]
n. 金属;金属元素;成色;金色;
vt. 以金属覆盖;
🗣️ 情景例句
After forty-eight hours.
四十八小时后。
Donald has become incensed at his friends for being so unkind.
唐纳德因为他的朋友太不客气，所以被激怒了。
I've looked round the whole school. I can't find it anywhere.
“我整个学校都找过了。我就是找不到它。”