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完整音频与全文翻译
- Objects have different shapes.
物体有不同的形状。 - We can describe things by their shape.
我们可以用形状来描述物体。 - A circle is round.
圆形是圆的。 - A clock is a circle.
时钟是圆形的。 - A square has four sides of the same length.
正方形有四条相等的边。 - A rectangle looks like a square, but two sides are longer.
长方形看起来像正方形，但有两条边较长。 - A triangle has three sides.
三角形有三条边。 - Some people play a triangle in a band.
有些人在乐队里演奏三角铁。 - The word “triangle” can mean a shape or an instrument.
「三角形」可以表示形状，也可以表示乐器。 - An oval is like a circle but longer.
椭圆形像圆形，但比较长。 - An egg is an oval shape.
鸡蛋是椭圆形的。 - A floor is flat.
地板是平的。 - Smooth things have no bumps.
光滑的东西没有凹凸不平。 - Silk is very smooth.
丝绸非常光滑。 - Some things are rough.
有些东西是粗糙的。 - Sandpaper is rough.
砂纸是粗糙的。 - A dull object is not sharp.
钝的物品是不锋利的。 - A dull knife cannot cut well.
钝刀无法切割得很好。 - A pointed object has a sharp end.
尖的物品有锋利的尖端。 - A sharpened pencil has a pointed tip.
削过的铅笔有尖尖的笔头。 - A pencil that is used a lot becomes dull.
使用很久的铅笔会变钝。 - Some things are soft.
有些东西是柔软的。 - A teddy bear is soft.
泰迪熊是柔软的。 - Some things are hard.
有些东西是坚硬的。 - A rock is hard.
石头是坚硬的。 - “Soft” can also describe a quiet sound.
「柔和」也可以形容安静的声音。 - A soft voice is not loud.
轻声说话是不大声的。 - If someone asks you to speak softly, they want you to be quiet.
如果有人请你轻声说话，他们希望你保持安静。 - “Loud” means a noise that is strong.
「响亮」表示声音很大。 - A big truck makes a loud noise.
大卡车发出很大的声音。 - Sometimes, parents say the music is too loud.
有时候，父母会说音乐太大声了。