Part 1 字首 表示{状态现象}的字首 dia- = through 穿过

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。