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- Sn（OH）4Sn(OH)4
- Sn（OH）4膠體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 .
- 異形4Alien Resurrection
- 正方形可定義為具有4條等邊的矩形。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分鐘走1英里 。to do a mile in four minutes.
- 早餐要花4英鎊。Breakfast cost four pound.
- 是4的兩倍。Eight is the double of four. 8
- 連續4天for four consecutive days
- 這兩對夫婦4人一行，一起去度假了。The two couples made a foursome and went on holiday together.
- 那樣的話(huà)，你出差不會(huì )超過(guò)4天吧?In that case you will not stay longer than four days?
- 8和20的公約數是4。Eight and twenty cancel by four.
