Sempervivum
n. [植]长生花
🗣️ 情景例句
I hope you will like it here.
我希望你们喜欢这里。
The first step is the only difficulty.
万事起头难。
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，