Quadrafos
[商]四磷酸钠
🗣️ 情景例句
Okay, I know just what you mean.
嗯，我明白你的意思。
I'm afraid you are mistaken.
我想您错了。
Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from.The sagas of these people explain that some of them came from Indonesia about 2,000 years ago.
其中一部分是约在2，000年前从印度尼西亚迁来的。