单词	hairspring screw
释义	hairspring screw 游丝螺钉
随便看	the college of cardinals the college of chinese medicine the College of Europe the college instructors The college is located next to the airport The college is named after George Washington The college is named for George Washington The college is on vacation the college joint examination the college libraries the college library The college library is a favorite haunt the college logistics the college newly founded the college of arms the college of fine arts the college of new jersey the college of santa fe the college of social sciences The college of TCM The College of West Virginia the college Party construction the college P.E The college physical education the college planning