v.使 ... 堅(jiān)硬;變?yōu)闈庹?;使?jiān)定;使強(qiáng)硬
This lignification serves to stiffen and strengthen the cells. 木質(zhì)化足以使細(xì)胞變硬和增強(qiáng)。
This sort of grease could not stiffen when the temprature drops. 溫度下降時(shí),這種潤(rùn)滑脂不會(huì)變稠。
The promise of a reward might stiffen their resolve. 答應(yīng)給他們獎(jiǎng)勵(lì)可以堅(jiān)定他們的決心。
He stiffened at the insult. 他聽到這些侮辱的話,態(tài)度強(qiáng)硬起來(lái)。