Sphygmometrograph
血压描记器
🗣️ 情景例句
Would you mind telling me...
你能告诉我...
Can I have a second-class one way ticket to Chicago,please?
请给我一张去芝加哥的单程二等票好吗？
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，