bitter apple

同根派生

Litter green apple is always bitter! ! !
小小的青苹果永远是苦涩的！！！
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Apple bitter rot is the most important fruit rot disease of apples in China.
苹果炭疽病又名苦腐病，是导致苹果果实腐烂的主要病害之一。
She bit a bit of apple and it tasted bitter.
她咬了一小块苹果，但苹果吃起来很苦。

He searches for the origins of the domestic apple in Kazakhstan to tell an evolutionary tale which explains how every eating apple in the world is a direct descendent of apples in the Tien Shan forest (the bitter taste of apple pips is cyanide, their shape adapted to slip through the guts of a marauding bear unharmed).
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