Reflect 2 Unit 3

Front

actually

Back

adv. 实际上

Front

background

Back

n. 背景

Front

certain

Back

adj. some

Front

concentrate

Back

v. 专注于 concentrate on

Front

memory

Back

n. 记忆力

Front

noisy

Back

adj. a lot of sound

Front

quiet

Back

adj. 安静的

Front

repeat

Back

v. to say again

Front

solve

Back

v. 解决

Front

sound

Back

n. 声音