第三人称单数：数：fastens
现在分词：：fastening
系牢( fasten的过去式和过去分词 )；系紧；使牢固；关紧；
fastened的翻译
1. 紧固件：fast turn position;快速转向位置 | fastened;紧固件 | fastener bolt;紧固件螺栓
adj
1. fastened with strings or cords
e.g. a neatly tied bundle
Synonym: tied
2. furnished or closed with buttons or something buttonlike
Synonym: buttoned
3. firmly closed or secured
e.g. found the gate fasteneda fastened seatbelt
