Crotonates
[建] 巴豆酸酯, 丁烯酸酯
🗣️ 情景例句
I've been wanting to meet you for some time.
很久以来我一直想见你。
I'd like to try on these hats.
我想试试这些帽子。
That'll be very intersting. What cities are you going to visit?
那一定很有趣。你们打算参观哪些城市？