Diglycerol
双甘油, 一缩二甘油
🗣️ 情景例句
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
How was your flight?
你的航班怎样？
We arrived in London this afternoon.
我们是今天下午到达伦敦的。