Ragworm
n. (沙蚕科之环节动物)沙蚕
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
Our service has been very well-received by our customers so far.
到目前为止，顾客对我们的服务质量评价甚高。
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，