Nobody knows for sure whether the theory is true or not, but it's a fact that bees are disappearing in very large numbers.
没有人确切地知道这个理论是否正确,但事实是蜜蜂正在大量消失。
Another reason why honey bees are disappearing, a type of parasite that is yet to be named.
其他为什么导致蜜蜂会消失的原因,是一种未被命名的寄生虫。
Wild bees and the flowers they pollinate are disappearing together in Britain and the Netherlands, researchers reported on Thursday.
研究者在周四报道说:在英国和荷兰,野蜂和它们授粉的野花品种一起消失。
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