可打印版

按索引浏览词汇表

特殊 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 全部

N

Noise pollution

sound which causes a nuisance

Non-interlocking

rock grains that fit together with gaps between them

Non-luminous object

object that does not give off light

Normal

line at right angles to a surface

North pole

end of magnet which attracts a south pole

nutrients

substances in your food which are needed and used by your body.

nutritional label

label found on food packaging which states the amount of each nutrient.