加州科学分级 · 加州科学Time For Kids G2
From Seed to Tree by Bob McCall With the Editors of TIME FOR KIDS
鲍勃·麦考尔与《儿童时代》编辑合著的《从种子到树》
Chapter 1 Apple Seeds Do you like to eat apples? Apples are a fruit. They are good for you. They taste good, too. Apples can be red, yellow, or green. All apples have seeds. Apple trees grow from apple seeds. It takes years for an apple tree to grow. It takes even longer for apples to grow on the tree.
你喜欢吃苹果吗? 苹果是水果。它们对你有好处。 它们也很好吃。苹果可以是红色、黄色或绿色的。 所有的苹果都有籽。苹果树是由苹果种子长成的。 一棵苹果树需要数年才能长成。 苹果在树上生长需要更长的时间。
Chapter 2 How an Apple Tree Grows You plant a seed in the spring. Soon, it sprouts, or grows, small roots. The roots get food from the soil. A small shoot grows through the seed coat. The shoot grows through the soil and out of the ground. Then leaves begin to sprout. They get energy from the Sun. The shoot grows into a sapling A sapling has to be strong to grow. In about six years, the sapling grows into an apple tree!
苹果树是怎样生长的你在春天种下一颗种子。 很快,它就会长出小根。 根从土壤中获取养分。 一个小芽穿过种皮长出来。 嫩枝从土壤中生长出来。 然后叶子开始发芽。 它们从太阳获得能量。 嫩枝长成小树苗小树苗必须强壮才能生长。 大约六年之后,小树苗会长成一棵苹果树!
In spring, small green buds grow on apple trees. The buds open into blossoms. The blossoms smell good. Bees carry pollen from blossom to blossom. The pollen helps blossoms grow into apples. The petals of the blossoms fall after about nine days. A tiny apple begins to grow inside each blossom!
春天,苹果树长出绿色的小芽。 花蕾开花了。 这些花闻起来很香。蜜蜂把花粉从一朵花运到另一朵花。 花粉有助于花长成苹果。 大约九天之后,花瓣就会落下。 每朵花里都开始长出一个小苹果!
Chapter 3 Apple Trees in Summer and Fall In the summer, the apples grow bigger and bigger. They need rain and sunshine to grow. In the fall, the weather gets colder. The apples are large and ripe. People pick the apples before the first frost of winter.
第三章夏秋苹果树夏天,苹果长得越来越大。 它们需要雨水和阳光才能生长。 秋天,天气变冷了。 苹果又大又熟。 人们在冬天第一次霜冻之前采摘苹果。
