Put the ginger in a plastic bag and put it in the freezer, grate it asneeded.
把姜放进塑料袋后，把它放进冰箱，需要的时候磨碎它。
2
Large wind farms can be built in six months to a year and then easily expanded asneeded.
大型风电场可以在6个月到1年的时间内建成，之后根据需要进行扩建也很容易。
3
A 2011 Australian study of 1,621 people found that people randomly selected to apply sunscreen daily had half the rate of melanomas of people who used cream asneeded.