Levigator
水磨机, 研末器, 澄清器
🗣️ 情景例句
Good morning, Ellen.
早安， Ellen。
I lack words, with which to express my thanks.
我无法以言语来表达我的感激之情。
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，