二加三等于五。
二加三等于多少?
There's easily enough room for two adults and three children, plus a dog in the boot.
有足够的空间容纳2个大人和3个小孩。另外,行李箱里还能容纳1只狗。
This brought in their writing skills. After we talk about all of them, we will write the numbers down - now this is three and two more - before we even tell them the plus sign, you know,how to join things together."
VOA: standard.2010.08.10
Two plus one equaled three before there were people; two plus one equals three now; two plus one will always equal three.
在人类出现之前,二加一就等于三,二加一现在等于三,并将永远等于三
Because aluminum ions have charge of plus three and oxygen ions have charge of minus two.
因为铝离子为正三价,氧为负二价。
应用推荐