Is mum behind the float grass. It is a sea horse.
看看水草后面有没有妈妈？原来是小海马。
Float grass plays important roles in the culturing of ornamental fish.
水草在观赏鱼养殖中有着重要的作用。
A cup of water poured into a rut or a pothole on the ground only can float a small piece of grass or a leaf.
而当我们将一杯水倒在地上凹下去的地方时，那一摊水就只能让一根小草、一片树叶浮起而已。
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