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科学

科学

开通会员开始练习

各科目的基础表现 · 科学

19 句对话 · 不同角色用不同音色

妈妈neutral

Look for the words that begin with the same sound.

找找看开头发相同音的单子。

妈妈neutral

Let's look for the word that starts winth an /e/ sound.

我们来找以/e/音开头的单子。

妈妈neutral

Why don't you look for some words that rhyme with each other?

找出彼此互相押韵的单子吧?加法

莉莉neutral

What's 3 plus 2? 3

加 2 是多少?

妈妈neutral

3 plus 2 equals 5. 3

加 2 等于 5.

莉莉neutral

Look! 2 more birds came. How many birds are there in all?

看!多来了 2 只鸟。一共有多少只鸟?

妈妈neutral

There were 3 birds already. So there are 5 birds all together.

原本有 3 只,所以总共有 5 只。

莉莉neutral

If we write it in a number sentence, it's 3+2=5.

如果我们写成数学公式的花。就是

妈妈neutral

3+2=5 5 is 2 more than 3. 。5

是 2 加上 3.减法

莉莉neutral

What's 5 minus 2? 5

减去 2 是多少?

妈妈neutral

5 minus 2 equals 3. 5

减去 2 等于 3。

莉莉neutral

There were 5 birds, but 3 birds flew away. How many birds are left?

这里有 5 只鸟,不过飞走了 3 只,还剩多 少只鸟呢?

妈妈neutral

I'll take away 3 from 5. 2 birds are left now.

从 5 那里拿掉 3,现在还剩 2 只鸟。

妈妈neutral

Let's write it in a number sentence. It's 5-3=2.

我们把它写成公式吧。这就是 5-3=2。

妈妈neutral

I took away 2 apples from 5 apples. How many are left?

我从 5 个苹果中拿走 2 个。那还剩下多少 个?

莉莉neutral

I will give you three more apples. How many do you have now?

我再多给你 3 个苹果。那你现在有多少个?

妈妈neutral

By what number is 2 smaller than 5? 2

比 5 小多少?

莉莉neutral

What is 3 less than 5? 3

比 5 少多少?

妈妈neutral

2 is 3 less than 5. 2

比 5 少 3。乘法