Alternating pulse
[医] 交替脉
🧩 词语组成解析
a. 交互的\\n[医] 交替的
pulse
[pʌls]
n. 脉搏;[无线电]（电磁波等）脉动;活力;有节奏的跳动（或拍打）;
vi. （心脏）跳动;脉动;搏动;震动;
vt. 使跳动;有节奏地驱动（机器等）;[电子学]施以脉冲;[无线电]脉冲地调节（电磁波）;
pel, puls 表”驱动,推动”
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
Learn to creep before you leap.
循序渐进。
As she is not rich, the chances that she will ever be able to afford such purchases are remote;
由于她并不富裕，她买得起这些服装的可能性十分渺茫。