retardation
US /ˌritɑrˈdeʃən/
・UK /ˌri:tɑ:'deɪʃn/
B2 中高級
n. (u.)不可數名詞遲延 ； 妨礙 ； 阻止
Low temperatures play a role in retardation of bacterial growth
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愛喝酒跟愛抽煙的人小心了！原來它們對大腦和身體有這些影響！ (What happens if You are An Alcohol and Tobacco Addict? - Effects on Brain and Body)
03:23
- If consumed during pregnancy, fetal abnormalities and miscarriages can occur such as reduced physical and mental development, mental retardation, birth defects.
如果在懷孕中攝取酒精，可能導致胎兒畸形、流產、生理和心理發展不完全、智力遲緩和先天缺陷。
智商和智慧如何影響我們的生活（或不影響！）。 (How IQ and Intelligence Affect Our Life (or Not!))
11:10
- retardation, which means trouble living alone. 20 will have difficulty reading
遲鈍，這意味著難以獨自生活。20人會有閱讀困難
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