Delta system
[电] 角接系统
🧩 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
We had such a good time at the aquarium.
我们在水族馆玩得真开心。
There is no rose without a thorn.
玫瑰花没有不长刺的。
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。