Aphides
n. 蚜虫（aphis的复数）
🗣️ 情景例句
I'm sure the plan is viable.
我肯定这个方案行得通。
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
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，