1·If the water did not turn pink, repeat the last step the next day, topping up the salt but not increasing the salinity.
如果水不转粉红，重复最后一步，第二天补足食盐，但不增加含盐量。
2·It flaps its four wings for take off and flight and is able to stay aloft for about 2.5 minutes before its 90 mAh battery needs topping up.
它扇动它的四个翅膀起飞和飞行，并能之前，其90毫安时电池需要补足，以在空中停留约2.5分钟。