Online Class Notes (Nemo)

Vocabulary

cavity noun [C] (TOOTH)
a hole in a tooth
（牙齿上的）龋洞，蛀牙洞

hyperactive (adj): Someone who is hyperactive has more energy than is normal, gets excited easily, and cannot stay still or think about work.
多动亢奋的，过分活跃的
Hyperactive children often have poor concentration and require very little sleep.
多动的孩子经常注意力不够集中而且睡觉很少。

blurred (adj): difficult to see
模糊的
The photograph was very blurred.
这张照片很模糊。
The picture on the TV went all blurry.
电视图像变模糊了。

pixelated (adj): A pixelated image is made up of pixels.
（图像）由像素构成的

calligraphy (n): (the art of producing) beautiful writing, often created with a special pen or brush
书法；书法艺术
There’s some wonderful calligraphy in these old manuscripts.
这些古老的手稿中有些地方书法极好。

dollar store (n): a shop where everything costs one dollar
一美元店

optical illusion

to attempt/commit suicide
企图自杀／自杀