Pentrinitrol
[化] 戊硝醇; 三硝季戊四醇; 季戊四醇三硝酸酯
🗣️ 情景例句
A foreign diplomat grabbed his chopsticks as a historic souvenir.
一名国外的外交人员就拿起他用过的筷子，用它作为具有历史意义的纪念品。
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
You've done very well and made lots of progress.
你功课学得很好，进步很大。