Melena vera
[医] │真性黑粪症
🧩 词语组成解析
n. [医]黑粪症
abbr. 通用实验性反应堆装置（Versatile Experimental Reactor Assembly ）
🗣️ 情景例句
Sorry, I've got people coming over tonight.
很抱歉，今晚有客人要来。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
'A fire extinguisher, my dear,' answered the Ambassador drily.
“灭火器弄的，亲爱的，”大使冷冷地回答，