Electrostethoscope
電擴音聽診器
??? 情景例句
This time draft will fall due at the end of this year.
這張期票年底到期。
Keep some till more come.
更多的到手以前，要保持手里的一點。
When he was alone, he telephoned the hospital exchange and asked for Doctor Millington.
當房里只剩他一個人時，他掛通了醫院的交換臺，要求與米靈頓醫生講話。