Cavum retzii
[醫] 膀胱前隙, 恥骨后隙
?? 詞語組成解析
n. 空腔(如耳腔)
??? 情景例句
Sorry, but she is with someone right now.
抱歉，她正在會客。
Lookers-on see most of the games.
旁觀者清。
The Australian seasons are the opposite.
澳大利亞的季節正好相反。