Ethmosphenoid
[医] 筛蝶[骨]的
🗣️ 情景例句
It's bright and clear today.
今天天气晴空万里。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。
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，