这些蜗牛体宽不超过1厘米。
The snails are no larger than one centimetre across.
伊丽莎白一直在为完成学校的一份课题作业收集蜗牛。
Elizabeth had been collecting snails for a school project
蜗牛当然会是道主菜。
Snails would, of course, be the main dish.
大多数蜗牛背上有壳。
Most snails have shells on their backs.
蜗牛把触角缩了回去。
The snail drew in its feelers.
但是,蜗牛还是这个项目地当务之急。
But the snail has given the project greater urgency.