pear drop meaning in English

梨形糖果
梨子糖

This shows that the snail now has a memory associating the smell of pear drops with the arrival of food - a learned and remembered response
这表明，蜗牛现在已经有了把梨汁的气味和食物联系在一起的记忆，也就是学习和记忆的反应。
A snail exposed to the smell of pear drops and then food sucrose , which they love , for example , will respond weeks later to the smell of pear drops by rhythmically moving its mouth parts in anticipation of food , even when none is provided
例如，先让蜗牛闻一下梨汁的气味，然后再给以食物（例如蜗牛喜欢的蔗糖），一个星期后，当蜗牛闻到梨汁的气味后，就会有节奏地张开嘴巴来等待食物，即使是什么也不给它。