当心脏监测器上的最后一次跳动逐渐停止时，我知道莱拉已经永远离开了我的生活。
As the last beats in the heart monitor trailed off, I knew Lyra had left my life forever.
考试前几小时学生们身上被安装了心脏监测器。
The students were fitted with heart monitors in the hours before the exam.
如果母亲过度肥胖，超声波检查，胎儿心脏监测器和其他设备都不能得到胎儿的准确读数。
Ultrasound scans, fetal heart monitors and other devices can't get precise readings of the fetus if the mother carries a lot of additional weight.
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