Diolefine
[化] 二烯; 二烯属
🗣️ 情景例句
This is true.
这倒是事实。
How much is the electricity bill a month?
每个月电费要多少钱？
The gaoler looked on eagerly, anxious to see if his fellow actor had at last learnt his lines.
狱卒热切地观察着，急于想了解他的同事是否记熟了台词。