Careful balancing of weight is also important to prevent the plane from tipping back on its tail while at rest on the ground 當(dāng)飛機(jī)停在地面時(shí),需要小心(重心過(guò)于靠后而造成)機(jī)身觸地
Exports and hence profits would certainly be squeezed; some fear japan may even be tipping back into recession ( see article ) 如果美國(guó)經(jīng)濟(jì)疲軟,出口肯定會(huì)減少,一些人擔(dān)心日本也可能會(huì)陷入經(jīng)濟(jì)衰退(見(jiàn)文)。