Primitive chorion
[医] 原绒[毛]膜
🧩 词语组成解析
primitive
['prɪmətɪv]
adj. 原始的;发展水平低的;落后的;[生物学]原生的;
n. 原始人;早期的艺术家（作品）;单纯的人：不世故的人;自学的艺术家;
prim第一，主要+itive形容词后缀 →原始的
n. 绒毛膜, 浆膜, 卵壳\\n[医] 绒[毛]膜
🗣️ 情景例句
This is show business.
而今天这个却是演艺事业。
We can assure you that our products are the most outstanding ones on the market today, and we offer a five-year guarantee.
我们可以向您保证我方产品是当今市场上最好的，并且可提供5年保修期。
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，