意思是:化学变化;
句子实例:
We saw that a chemical change had taken place.
我们看到已发生了化学变化。
These are physical changes while those are chemical changes.
这些是物理变化而那些是化学变化。
chemical change是什么意思
意思是:化学变化;
句子实例:
We saw that a chemical change had taken place.
我们看到已发生了化学变化。
These are physical changes while those are chemical changes.
这些是物理变化而那些是化学变化。