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
Too bad we can't bottle the sound.
不能将声音装瓶真是太可惜了。
So I appreciate your making time in your schedules to attend today.
因此非常感谢你们今天能够抽出时间来参加这次会议。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？