Methacrylates
(methacrylate 的复数) n. 甲基丙烯酸酯；异丁烯酸甲酯
🗣️ 情景例句
When are Susan and Harry picking you up, Marilyn?
Susan和Harry什么时候来接你们， Marilyn
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。