uptake
noun [ S or U ] uk/ˈʌp.teɪk/ us/ˈʌp.teɪk/
biology specialized吸收（率），摄入（率）
the rate or act of taking something in
Plants in their growth stage exhibit an increased uptake of nutrients. 植物在其生长阶段通常会吸收更多的养分。
接受（率）
the rate or act of accepting something
There is a 90 percent uptake of vaccination in this country. 这个国家的疫苗接种率为90%。
Uptake of places on the training course has been disappointing. 参加培训课程的人数令人失望。
Idiom
be quick/slow on the uptakeidiom informal 领悟得快／慢
If someone is quick/slow on the uptake, they understand things easily/with difficulty.
He's a little slow on the uptake, so you may have to repeat the instructions a few times. 他领悟力比较差，因此你可能得重复指导他好几遍。