delta [ˈdɛltə]

例句:

• A Delta II rocket was launched from Cape Canaveral early this morning.
  今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角发射升空。
  
• The less stable compounds were converted into a compound called Delta-A THC.
  不太稳定的化合物被转换成了一种叫做Delta-ATHC的化合物。
  
• The Delta and its mouths posed obstacles to invaders.
  来自BBC
• So what do people in the Niger Delta think?
  来自VOA
• Delta is the fourth letter of the Greek alphabet.
  δ是希腊字母中的第四个字母.
  
• Strange, how did they measure the belief delta?
  来自SA