1、That example I gave last time with the bicycle pump was not quite the right example.
上次我舉打氣筒的例子不太正確。

2、Another team developed a mobile bicycle pump in Ghana to help farmers get water for irrigation.
還有一個(gè)小組在加納開(kāi)發(fā)了一種移動(dòng)腳踏泵，農(nóng)民可以此獲得用于灌溉的水。

3、A bicycle pump puts air into the tires
自行車(chē)打氣筒把空氣打進(jìn)輪胎里。