Ethylethylene
丁烯-1
🗣️ 情景例句
I'm looking for the house.
我正在找他的房子。
He drinks a lot of tomato juice.
他每天都喝很多番茄汁。
quite apart from its significance as food, or from the literary idea that it will become a bird.
而完全不靠它的食用意义或它会变成鸟这样的文学概念来感觉。