100年前的香烟包装纸：8个生活小窍门必知
ZME SCIENCE2016-07-14 13:52
How to clean bottles
如何清洗瓶子
To clean the interior of bottles, a little sand and water should be well shaken inside of them. This will have the effect of cleansing every part, and the bottles can then be washed and dried.
要清洗瓶子内部，可以往瓶子里装入少量沙子和水，然后摇匀。这样就可以清洗瓶子的每一部分，然后就可以冲洗、擦干了。
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