Choledochal
[医] 胆总管的
🗣️ 情景例句
Hi, Dad. Everything's fine.
嗨 ，爸爸。一切都好。
Please be on time.
请准时到。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，