toughens的读音 toughens中文意思

读音 
v. (使某物[人])坚韧,坚强,强硬( toughen的第三人称单数 )
toughens 用法和例句
Russia toughens stance on energy prices .
俄罗斯在能源价格上立场强硬。
A pummelling toughens you up , makes you fitter for the next engagement .
打击令你坚强,让你更加胜任下一场战斗。
Salt is included in the dough because it regulates the rate of fermentation , toughens the gluten , and prevents the bread from being insipid in taste .
面团中还掺进了盐,因为盐可以调节发酵速率,韧化面筋,防止面包味道变淡。