Experts advise that sunscreen should be reapplied on an hourly basis.专家建议防晒霜应该每小时都小时都重新重新涂抹.I use a sunscreen whenever there is even a remote possibility that I will be in the sun.不论何时只要有一点可能暴露在阳光下，我就会用防晒霜。Re-apply sunsc...
Re-apply sunscreen every two hours, especially if you have been swimming.每两个小时重新涂一次防晒油，尤其是在游泳的时候。I use a sunscreen whenever there is even a remote possibility that I will be in the sun.不论何时只要有一点可能暴露在阳光下，我就会用防晒霜。Experts a...
take the contagion得传染病They have been reluctant to admit AIDS patients, in part because of unfounded fears of contagion...他们一直不愿接纳艾滋病患者，部分原因是无来由地害怕被接触传染。They have been reluctant to admit AIDS patients, in part because of ...
11月美国的贸易赤字扩大到75.9亿美元。The US trade deficit widened to $7.59 billion in November.59%的人认为应该允许英镑自由浮动。59 per cent of people believed the pound should be allowed to float freely.在59个委员会委员中，有40人反对这项法案,13人赞成，其余的尚未表明态度。Of the 59 ...