Dimethione
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
Language is for the exchange of idea, for communication.
语言是用来交换思想，用来交流的。
East, west, home is best.
金窝、银窝，不如自己的草窝。
Look! That girl has fallen off her bicycle.
看！那个女孩从自行车上摔下来了。