入门字
	 
	dialogue (n.) 对话
	 
	dia/ logue
	through/ word
	 
	进阶字
	 
	1. diagnosis (n.) 诊断
	 
	dia/ gno/ sis
	through/ know/ 名词字尾
	 
	The doctor's diagnosis is that the patient is suffering from terminal cancer.
	医生的诊断认为病患得了末期癌症。
	 
	2. diagonal (a.) 斜角的 (n.)对角线
	 
	dia/ (a)gon/ al
	through/ angle/ 形容词字尾
	                           名词字尾
	 
	On the flag of the United Kingdom, there is a diagonal cross underneath the big, central cross.
	英国国旗上,在中央大十字架下面还压着一个呈对角线交叉的十字架。
	 
	3. diagram (n.) 解说图表, 说明图
	 
	dia/ gram
	through/ write
	 
	The weatherman uses meteorological diagrams to forecast the weather.
	气象人员运用气象图表来预报天气。
	 
	4. diameter (n.) 直径
	 
	dia/ meter
	through/ measure
	 
	The diameter of a circle is twice the length of its radius.
	圆的直径是半径的两倍。
	 
	5. diaphanous (a.) 透明的,极薄的
	 
	dia/ phan/ ous
	through/ show/ 形容词字尾
	 
	The cloth is so fine that it looks diaphanous.
	这种布料细到看起来像透明的。