Pentanitrol
四硝基季戊四醇
🗣️ 情景例句
Frank, you've never played charades?
Frank，你从来没玩过哑谜？
It's up to you.
由你决定。
'The shop was an old converted house with many large, disused fireplaces and tall, narrow chimneys.
”那是一座老式的、经过改造的房子，店里有许多废置不用的大壁炉和又高又窄的烟囱。