The plants still need protecting at this time of year.植物在每年的这个时节仍需要保护。We need to protect the rights of people of colour.我们需要保护有色人种的权利。We need to preserve the forest.我们需要保护森林。Plants need protection against extreme cold.植物需要保护,以免受严寒侵袭。They are needful of protection. 他们需要保护。