无痛 的中文句子和英文句子

超声波心动描记器一种用来显示详细的大脑图象的仪器，利用超声波发送和反射的差异来测试并无伤无痛

An instrument that in a painless and noninvasive manner uses the differential transmission and reflection of ultrasonic waves to create a detailed visual image of the brain.


无人能够把我们迅速地、毫无痛苦地带进理想之园。

Nobody can bring us swiftly, painlessly into the promised land.