delta
US /ˈdel.t̬ə/
UK /ˈdel.t̬ə/
名词
1.
德尔塔
the fourth letter of the Greek alphabet (Δ, δ)
示例:
•
The symbol for delta is a triangle.
德尔塔的符号是三角形。
•
In mathematics, delta often represents a change in a variable.
在数学中，德尔塔通常表示变量的变化。
2.
三角洲
a triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets
示例:
•
The Nile Delta is a fertile region in Egypt.
尼罗河三角洲是埃及的肥沃地区。
•
Many birds nest in the river delta.
许多鸟类在河流三角洲筑巢。
在 Lingoland 学习这个单词