Simulium ochraceum
[医] 淡黄蚋
🧩 词语组成解析
[医] 蚋属
🗣️ 情景例句
He went to Canada on business.
他因公赴加拿大。
I went to sleep immediately and slept soundly all night.
我很快地入睡了并且整夜酣睡。
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，