十万个为什么·科学启蒙30篇（3）

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酵母吃掉糖，制造微小气孔，面包就松软

Bakers mix yeast with flour, water, and sugar to start making bread dough.
Yeast is a living fungus that feeds on sugar and releases carbon dioxide gas.
Those invisible bubbles get trapped inside the stretchy gluten network of the dough.
As the dough rises, it grows puffy and full of tiny round air spaces.
Baking in the oven kills the yeast but sets the shape and locks in the holes.
That’s why fresh bread feels soft, springy, and full of little pockets when you tear it.
Too much yeast or too warm a room can make dough rise too fast and collapse.
Adding salt slows yeast down just enough to build better flavor and texture.
You can hear faint popping sounds if you tap risen dough gently before baking.
Next time you eat toast, notice how light and airy each slice feels inside.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

Bakers mix yeast with flour, water, and sugar to start making bread dough. 面包师将酵母与面粉、水和糖混合，开始制作面团。
Those invisible bubbles get trapped inside the stretchy gluten network of the dough. 这些看不见的气泡被锁在面团富有弹性的面筋网络中。
Adding salt slows yeast down just enough to build better flavor and texture. 加盐能适度抑制酵母活性，从而提升风味与口感。

这篇中文题目最接近哪一句？酵母吃掉糖，制造微小气孔，面包就松软一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？面包师将酵母与面粉、水和糖混合，开始制作面团。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） Yeast Eats Sugar and Makes Tiny Air Pockets How to cook noodles A maths worksheet

Bakers mix yeast with flour, water, and sugar to start making bread dough.

Bakers mix yeast with flour, water, and sugar to start making bread dough.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：Bakers mix yeast with flour, water, and sugar to start making bread dough.