Germina
病菌, 种子
🗣️ 情景例句
We'd prefer a credit card, if you have one.
如果你有信用卡，我们较喜欢信用卡。
Where have you been?
你去哪儿了？
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，