submillimeter [sʌb miliˌmiːtə] a.亚毫米的，小于一毫米的

　　[真题例句] And thanks to the continual miniaturization of electronics and micro-mechanics, there are already robot systems that can perform some kinds of brain and bone surgery with submillimeter accuracy — far greater precision than highly skilled physicians can achieve with their hands alone.[2002年阅读2]

　　[例句精译] 由于电子和微观机械仪器的不断缩小，现在已有一些机器人系统能够进行精确到亚毫米的脑部和骨髓手术，其精确性远远超过熟练的医生用他们的双手所能达到的水平。