Plasminic acid
[医] 胞浆素酸
🧩 词语组成解析
🗣️ 情景例句
Does the hotel have a tour service?
这宾馆有旅游服务吗？
Can you keep an eye on the baby while I go shopping?
你能否在我上街买东西的时照看一下孩子？
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，