词典释义：
与氧结合
When an element is caused to combine with oxygen it is oxidized.
某种元素同氧气化合就叫做氧化.
When they're allowed to combine with oxygen, this energy is released as heat and light.
当它们与氧气结合时，这些能量会释放光和热。
the safety in production是什么意思_the safety in production单词用法
starch sugar是什么意思_starch sugar单词用法
a good shot是什么意思_a good shot单词用法
A good sense of humor是什么意思_A good sense of humor单词用法
A good sense of direction是什么意思_A good sense of direction单词用法
a good rest是什么意思_a good rest单词用法
a good question是什么意思_a good question单词用法
a good place to visit是什么意思_a good place to visit单词用法
