day 64how things work

how things work

Explain how things work: principles, models, measurements, shapes and materials, and say “even if” with 就算.

today’s words

• 原理 yuánlǐ · principle (how it works)
• 机械 jīxiè · machinery; mechanical
• 构造 gòuzào · structure, construction
• 仪器 yíqì · instrument (scientific)
• 模型 móxíng · model
• 模拟 mónǐ · to simulate
• 精确 jīngquè · precise, exact
• 精准 jīngzhǔn · accurate, on target
• 测量 cèliáng · to measure
• 毫米 háomǐ · millimetre
• 毫升 háoshēng · millilitre
• 平方 píngfāng · square (of a number); square metre
• 体积 tǐjī · volume, size
• 密度 mìdù · density
• 相等 xiāngděng · to be equal
• 垂直 chuízhí · perpendicular, vertical
• 旋转 xuánzhuǎn · to rotate, spin
• 转动 zhuàndòng · to turn, rotate
• 均匀 jūnyún · even, uniform
• 坚硬 jiānyìng · hard, solid
• 透明 tòumíng · transparent
• 物体 wùtǐ · object, body (physics)
• 材质 cáizhì · material (what it’s made of)
• 木材 mùcái · timber, wood
• 水泥 shuǐní · cement, concrete

sentences

• 这种机械的原理其实很简单。 · The principle behind this machine is actually very simple.
• 就算只差一毫米，这扇门也关不上。 · Even if it’s just one millimetre out, this door won’t close.
• 这两面墙必须互相垂直。 · These two walls must be at right angles.
• 地球一边自己转动，一边绕着太阳旋转。 · The Earth spins on its own axis as it goes round the sun.
• 就算是透明的玻璃，也会挡住一部分光。 · Even clear glass blocks some of the light.