Plumbed
a. 铅垂的
🗣️ 情景例句
If the lease period could be extended, then the terms will be acceptable.
如果租限能够延长，我们就能接受这些条件。
A Ph.D. Doctor of Philosophy from Yale.
在耶鲁大学攻读了哲学博士学位。
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，