Additive inverse
加性逆元（素）
🧩 词语组成解析
inverse
['in'və:s]
adj. 相反的;逆向的;倒转的;
n. 相反;倒转;相反的事物;
vt. 使倒转;使颠倒;
🗣️ 情景例句
Yeah, just like I certainly did not expect to buy these gifts at such low prices.
是啊，我怎么也没想到买这些礼物才花了这么点钱。
I just dropped in to say goodbye.
我只是来告别的。
It was a Sunday in May. My brother and I had decided to go off for a long walk while we were staying with my grandparents in the French countryside.
5月的一个星期天，我和弟弟决定去远足。当时我们住在法国乡下的祖父母家中。