Diglycerol
双甘油, 一缩二甘油
🗣️ 情景例句
Hello, Susan.
喂 Susan。
The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产，合同的规定也将得以严格履行。
Hello. Can I speak to Eric, please?
喂。请艾瑞克接电话好吗？