But, cleverly, the Heliconia rations the amount of nectar it produces to force the hummingbird into returning to the flower time and time again.但艷紅赫蕉狡猾地控制花蜜的生產量迫使蜂鳥再三回來吸食

time and time again屢次, 經常

We get letters from our uncle time and time again.

我們經常不斷地收到叔叔來信。

I asked myself time and time again.

我一再地問自己。

Every time it makes a visit, it picks up more pollen on its beak and feathers.蜂鳥每來一次鳥喙和羽毛上就沾上更多花粉

pick up撿起；收集；得到

He picked up news from all sources.

他從各種渠道收集消息。

The dog easily picked up the scent of the murderer.

狗毫不費力地嗅出了謀殺者的氣味。

Plants need to spread their seeds as far away as possible,植物必須盡可能地把種子散播到遠方

far away遙遠

The new music teacher lives far away.

新來的音樂教師住得很遠。

The flames is spreading to the forest far away.

大火在向更遠的森林蔓延。