"He stiffened when he saw his boss enter the room"
"Stiffen the cream by adding gelatine"
"Tighten the rules"
"stiffen the regulations"
《牛津词典》
《牛津词典》
《柯林斯英汉双解大词典》
《牛津词典》
《牛津词典》
《柯林斯英汉双解大词典》
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao
youdao