Plexus ischiadicus
[医] 坐骨丛
🧩 词语组成解析
n. (血管、神经等的)丛\\n[医] 帕尼扎氏丛(包皮系带外侧窝内的深淋巴丛)
🗣️ 情景例句
He was in trouble with the Customs.
他在海关那里有了麻烦。
I don't have the time for any more extra-curricular activities.
我没有更多的时间从事课外的活动了。
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，