🧩 词语组成解析
post
[post]
n. 邮件;邮政;柱，桩，杆;岗位;
vt. 张贴;宣布;设岗;邮寄;
vi. 快速行进;
adj. 有关赛跑（或赛马，赛狗）起点标志的;
adv. 〈外〉在后;用急件[驿马];赶紧地，火速地;
pos, posit pos, posit=put, 表示”放”
polio
['pəuliəu]
n. <医>脊髓灰质炎（等于poliomyelitis）;
🗣️ 情景例句
George Washington sat at that desk
George Washington曾坐在那
She is a member of the ski club.
她是滑雪俱乐部的成员。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。