您要查找的是不是：
- Sn（OH）4Sn(OH)4
- Sn（OH）4胶体Sn (OH)4 precursor
- NaAl（OH）4溶液sodium aluminate solution
- Sn-AgSn-Ag
- 用4乘以10multiply 10 by 4
- .OH· OH
- 2加2得4。Add 2 and 2 to get 4.
- 乘4two by four 2
- 一月差4天a month less 4 days
- 以4乘9。to multiply 9 by 4 .
- 异形4Alien Resurrection
- 正方形可定义为具有4条等边的矩形。A square may be defined as a rectangle with four equal sides.
- 2除8等于4。Eight divided by two is four.
- 4分钟走1英里 。to do a mile in four minutes.
- 早餐要花4英镑。Breakfast cost four pound.
- 是4的两倍。Eight is the double of four. 8
- 连续4天for four consecutive days
- 这两对夫妇4人一行，一起去度假了。The two couples made a foursome and went on holiday together.
- 那样的话，你出差不会超过4天吧?In that case you will not stay longer than four days?
- 8和20的公约数是4。Eight and twenty cancel by four.
