1.isolatingring  2.retainer  3.cage  

隔離的英語翻譯：

insulate; quarantine; close off; keep apart; segregate; insulation
【計(jì)】 buffering; shielding
【醫(yī)】 detention; isolate; isolation; segregation; sequester; sequestration

環(huán)的英語翻譯：

annulus; hem in; link; loop; ring; surround
【計(jì)】 ring up; toroid
【化】 ring
【醫(yī)】 annuli; anulus; band; circle; circulus; cycle; cyclo-; gyro-; loop; orb
ring; verge