5 How flowers grow

How flowers grow

花是如何生长的

Lots of flowers. There are thousands of different kinds of flowers growing all over the world. These amazing flowers are passion flowers.

很多花。世界上生长着成千上万种不同的花。 这些神奇的花是西番莲。

Seeds to seedlings. A seed has a hard shell with a young plant inside. Seeds grow in the soil when the sun and rain has made them warm and wet. These are sunflower seeds. Each sunflower seed can grow into a big sunflower.

种子到幼苗。种子有坚硬的外壳，里面有幼芽。 当阳光和雨水使种子温暖湿润时，它们就会在土壤中生长。 这些是葵花籽。 每一颗葵花籽都能长成大向日葵。

In the soil, the shell of a seed splits. A small root sprouts out of it. Then a shoot grows out of the seed. When a shoot breaks through the soil, it is called a seedling. The largest seed in the world is the coco de mer. It is bigger than a football.

在土壤中，种子的壳裂开。 它长出了一根小根。 然后一根嫩芽从种子中长出来。 当嫩芽从土壤中破土而出时，就叫做幼苗。 世界上最大的种子是可可籽。 它比足球大。

Plant parts. Most plants are made up of flowers, leaves, roots and stems. This is a wood sorrel plant. The stems keep the plant upright. Leaves and flowers grow on the stems. Plants make food in their green leaves.

植物部分。大多数植物是由花、叶、根和茎组成的。 这是一株酢浆草。 茎使植物直立。 叶子和花长在茎上。 植物在绿叶中制造食物。

Some plants have leaves that are sharp and spiky. They grow well as animals prefer to eat smooth leaves. Lots of things you eat are plant parts. Broccoli is a bunch of flowers and carrots are a kind of root. Underground, the roots soak up water from the soil. They hold the plant in place too.

有些植物的叶子很锋利。 它们长得很好，因为动物喜欢吃光滑的叶子。 你吃的很多东西都是植物的部分。 西兰花是一束花，胡萝卜是一种根。 在地下，树根从土壤中吸收水分。 它们也能固定植物。