单词
fastness
英 ['fɑːs(t)nɪs] 美['fæstnəs]
基本信息
  • n. 牢固;不褪色;要塞;巩固;堡垒;迅速
GRE

英英释意

1. a rate (usually rapid) at which something happens;
"the project advanced with gratifying speed"
2. the quality of being fixed in place
3. a strongly fortified defensive structure
fastness相关单词