Wachenheim-reder sign
[医] 瓦-雷二氏征(见于阑尾炎)
🧩 词语组成解析
红(外)光测距仪
🗣️ 情景例句
What made you change your job so frequently?
为什么你经常转工？
Could you tell me where is the exit?
你能不是告诉我出口在哪里？
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。