Pentamethylated
五甲基代的
🗣️ 情景例句
Thanks. And what about your family?
谢谢。那你的家庭呢
What's on Channel 8 now?
现在8频道播什么节目？
Eventually chains were fixed to one end of the dish and a powerful winch was put into operation.
不过，他们终于将链条固定在盘子的一端，一台大功率的绞车开动起来。