valve gapper气门间隙调整器
selective gapper选择式间苗机
beet gapper甜菜单苗机
John Gapper约翰·加普;约翰•加普
Grey Gapper银发空档族
Gapper Snipper颤音
spark-plug gapper火花塞间隙校正钳
John Gapper and Nicholas Denton作者
gapper's red-backed vole加氏
N(名词) a person who is taking a gap year 年休生 [英国英语]