Pentakiene
[机] 戊二烯
🗣️ 情景例句
on the farm.
在农场。
Don't halloo till you are out of the wood.
没有脱离危险不要先欢呼。
But I was delighted to be able to say words that my family and a few friends could understand.
是，我却感到欣喜，能够说出我家里人和一些朋友可以理解的词语。