Flats
来自Big Physics
Safin(讨论 | 贡献)2022年4月28日 (四) 23:05的版本 (建立内容为“Category:etymology == etymonline == [https://www.etymonline.com/word/flats ref] flats (n.) "level tidal tract," 1540s, from flat (n.) in the Middle English…”的新页面)
etymonline
flats (n.)
"level tidal tract," 1540s, from flat (n.) in the Middle English "level piece of ground" sense.