这只蜗牛真的有用吗？
蜗牛把触角缩了回去。
That's what we call "snail-mail".
这就是我们所说的“蜗牛邮件”。
蜗牛匆匆赶回家去。
蜗牛走得多么慢啊！
The snail slid slowly down the slide.
蜗牛慢慢滑下滑道。
The snail replied, "too far, too far!"
蜗牛回答说：“太远了，太远了！”
The two snails asked the crying little snail.
两只蜗牛问正在哭的小蜗牛。
My boy, I am a snail and snails are never in a hurry.
我的孩子，我是一只蜗牛，蜗牛从不着急。
At last, by good luck, he found a large empty snail-shell.
幸运的是，他最后找到了一个大的空蜗牛壳。
Most spiral-shaped snail species are predominantly dextral.
大多数螺旋形的蜗牛主要是右旋的。
Whom did the baby snail ask for help, his mother or father?
小蜗牛向谁求助了，他的妈妈还是爸爸？
The snail continues its march to new territory, says Serrat.
塞拉特说，蜗牛继续向新的领地迈进。
At first, he drove like a snail, but now, how he is dashing along!
一开始，他车开得跟蜗牛一样，但现在，他又一路猛冲！
Many other processes may alter the shell of a clam or snail and enhance its chances for preservation.
许多其他的过程可能改变蛤蜊或蜗牛的外壳，增加其保存的可能性。
This sea-water also kills off the greedy giant apple snail, an introduced pest that feeds on young rice plants.
海水也杀死了贪婪的巨头苹果蜗牛，这种外来害虫以水稻幼苗为食。
There are fish and snails that eat starfish, particularly the giant triton snail, which is the main predator of the starfish.
有些鱼和蜗牛以海星为食，特别是巨型法螺蜗牛，它是海星的主要天敌。
Indeed, the purple colour extracted from a snail was once so costly that in society at the time only the rich could afford it.
的确，从蜗牛身上提取的紫色物质曾经非常昂贵，在当时的社会，只有富人才能买得起。
At the same time, this sea-water also kills off the greedy giant apple snail, an introduced pest that feeds on young rice plants.
与此同时，海水也杀死了贪婪的巨型苹果蜗牛，一种以水稻幼苗为食的外来害虫。
The empty shell of a snail or clam may be left behind, and if it is sufficiently durable and resistant to dissolution, it may remain basically unchanged for a long period of time.
蜗牛或蛤蜊的空壳可能会被留下来，如果足够持久和抗溶解，它可能会在很长一段时间内基本保持不变。
The dye was much cheaper than sea snail dye.
这种染料比海蜗牛染料便宜得多。
"A snail on the wall taught me how to do it," said Tom.
“墙上的一只蜗牛教会了我怎么做。”汤姆说。
Now boys, let us give a good cheer for Tom and the snail on the wall.
孩子们，现在让我们为汤姆和墙上的蜗牛欢呼。
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