put out
1 拿出；伸出 cause to be out; extend
· As soon as we sat down,he put out a bowl,two chopsticks,and a spoon for each.
我們一坐下,他就給每人拿出一只碗,一雙筷和一只調(diào)羹.
· The doctor told him to put out his tongue.
醫(yī)生要他伸出舌頭.
2 使出（氣力等）；（俚語）努力 exert(strength,etc.); (sl.) exert oneself
· Everyone of us put out his energies to help to dig the tunnel.
我們?nèi)巳顺隽椭诰虻氐?
3 生產(chǎn)；產(chǎn)生；供應(yīng) produce; generate; provide
· They put out some motors of high standards.
他們生產(chǎn)了幾臺高級發(fā)動機.
4 出版；公布；發(fā)布；廣播 publish; issue;broadcast
· This magazine is put out every Friday.
這份雜志每星期五出版.
put down
1 把…放下 set down
· After he finished his exercise,he put down his pen.
他做完練習(xí),就放下筆.
2使（飛機）降落 cause (an aeroplane) to land; (an aeroplane or aeroplane pilot) land
· The glider put down there at noon.
滑翔機中午在那里降落.
3鎮(zhèn)壓；撲滅；消滅 suppress by force; destroy
· All the medical workers in the region helped to put down the influenza epidemic.
這個地區(qū)的所有醫(yī)務(wù)工作者參加了消滅流行性感冒的工作.撲滅火一般不用put down ，用的話應(yīng)該表示壓住火勢蔓延，而不是撲滅，所以用put out用put out