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.
還有一個小組在加納開發(fā)了一種移動腳踏泵，農民可以此獲得用于灌溉的水。

3、A bicycle pump puts air into the tires
自行車打氣筒把空氣打進輪胎里。