Snails cause problems in the States
本文作者： Emily Shortley
“田园杀手”非洲大蜗牛入侵美国。WHILE common snails (蜗牛) are often small and slow, there is one kind of snail that is not only three times the size of a common one but also very destructive. But how can a snail cause problems for people and even make the news? |  |
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