1.pacemaker n. [基医] 起搏器;领跑者;标兵
She was fitted with a pacemaker after suffering serious heart trouble.
她在心脏出了严重问题后装上了心脏起搏器 。
2.tremor n. [医] 震颤;颤动
The earthquake sent tremors through the region.
这次地震的震感传遍了整个地区 。
3.modulation n. [电子] 调制;调整
The soft modulation of her voice soothed the infant.
她柔和的声调使婴儿安静了 。