Daltonide
道尔顿体, 定比化合物
🗣️ 情景例句
Be our guest.
请随意。
Have you drunk any coffee?
你喝过咖啡吗？
Now Wu Peng from Class 1 was in front! Not far behind him was Lin Tao.
现在1班的吴鹏在前边！紧追其后的是林涛。