Pyrophosphate
n. [化]焦磷酸盐( 或酯)
🗣️ 情景例句
but they probably had other things on their minds.
但他们也许还有其他的事想要做。
Politeness is to do and say the kindest thing in the kindest way.
文雅就是善良地做事，和善地说话。
Like this?
像这样？