Methacrylates
(methacrylate 的复数) n. 甲基丙烯酸酯；异丁烯酸甲酯
🗣️ 情景例句
Sounds of the country.
乡村音响。
Because software development is very creative and imaginative word.
因为软件开发是富有创造性和想象力的工作。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在两头训练得很好的大象的象厩中间，