坚韧的英文：
tenacity

The pine is a badge of constancy.
松树是坚韧的象征。

The athletes displayed great tenacity throughout the contest.
运动员在比赛中表现出坚韧的斗志。

The tree will gradually develop tough bark.
树会慢慢地长出坚韧的树皮。

A soft,thick,undyed leather made chiefly from the skins of buffalo,elk,or oxen.
浅黄色皮革一种主要由水牛皮，驼鹿皮或公牛皮制成的柔软的，坚韧的未染色的皮革

A tough all-weather fabric.
一种坚韧的全天候织物

Showing or requiring courage and fortitude; bold.
显出或需要有勇气的和坚韧的;大胆的

To deprive of fortitude,strength,or firmness of purpose.
使…失去意志使…失去坚韧，力量或对目标的执着

Although he's less talented,he won by sheer dogged persistence.
他虽然天赋不高,但全凭坚韧的毅力赢得了胜利.d-

Rejoicing in hope, patient in tribulation.
从希望中得到欢乐，在苦难中保持坚韧。

He was rangy, leathery, sun-baked and virile
他又高又瘦，皮肤坚韧，饱受风霜，而且强健有力。

She clung to this sum with a tenacity that was surprising.
她拼命捏住这笔钱不放，这种倔劲儿真是不可思议。

But they knew also the Chairman's domineering temper and tenacity
可是他们也知道董事长的脾气就是那样专断，那样执拗。

The athletes displayed great tenacity throughout the contest.
运动员在比赛中表现出坚韧的斗志。

Tenacity. This can be defined as the resistance to rupture when subjected to tensile forcesEll. The measure of tenacity is tensile strength.
强度强度可被定义为当受到拉力时抵受破裂的能力。强度的量度是抗拉强度。

Tire cord fabric made of viscose rayon high tenacity yarns
粘胶纤维高强力纱制的帘子布