uptake

1.~ (of sth)（对现有东西的）使用，利用，应用the use that is made of sth that has become available

2.~ (of sth)吸收；吸收速度the process by which sth is taken into a body or system; the rate at which this happens

1.吸收;【机】(把烟尘等抽吸到屋外的)升烟道,上升通风管;扬水管;【矿】上风井,上风口

2.举起,拿起

3.了解,领会

1.a process in which living creatures use substances such as food or water to breathe, produce energy, etc.

2.the number of people who want to do something such as use a service or study a particular subject