Part 2 字根 表示{现象}的字根 dur = last, hard 持续，强硬
入门字
during (prep.) 在......期间
dur/ ing
last/ 分词字尾
进阶字
1. durable (a.) 耐久的 (n.) 耐久的物品
dur/ able
last/ able
Khaki is a durable fabric that is widely used for uniforms.
卡其布是很耐久的布料，广泛用来制作制服。
2. duration (n.) 时期，延续期间
dur/ at/ ion
last/ 名词字尾
The teacher asked her students to remain attentive for the duration of the class.
老师要求她的学生在上课时间要保持专心。
3. duress (n.) （法律）胁迫
dur/ ess
hard/ 名词字尾
A contract signed under duress is invalid.
在胁迫之下签的合约无效。
4. indure (v.) 忍受，持久
en/ dure
动词字首/ last
How can Jane, a proud woman herself, endure the overbearing ways of her hunsband?
珍妮自己是个自傲的女人，怎么能忍受她丈夫嚣张的作风？
5. enduring (a.) 持久不衰的
en/ dur/ ing
动词字首/ last/ 分词字尾
By willingly leaving the presidency after two terms, George Washington made an enduring contribution to his country.
乔治·华盛顿当了两任总统后就欣然退位了， 这对美国是历久不衰的贡献。
6. obdurate (a.) 顽固的
ob/ dur/ ate
against/ hard/ 形容词字尾
Scrooge, the obdurate miser in A Christmas Carol, is finally moved by the Christmas spirit to acts of charity.
史克鲁基是《小气财神》里的顽固吝啬鬼，最后被耶诞精灵感动而做出善举。