这四枚新邮票是为了纪念英国天文协会成立100周年而发行的。The four new stamps mark the 100th anniversary of the British Astronomical Association.在历史的年代数目和天文年代数目之间存在差别.There are differences between historical and astronomical numbering of years.数学材料是...
Swimming is helpful for bones that are porous and weak.游泳有助于改善骨质疏松和骨骼脆弱。The water slowly drained away, down through the porous soil.水慢慢流走了，渗入了疏松的土壤。He added sand to the soil to make it more porous.他往土里掺沙子以提高渗水性能....
This mirrored - glass vanity by Maitland - Smith recaptures that mood for today's master suites.这反映了玻璃洗手盆由梅特兰-史密斯为今天的主人套房重新夺回的心情.Furniture, Furniture Fittings and Fixtures , Lamps and Lampshades, Decoupage Lamps, Ta...
Many farms are jumping on the bandwagon and advertising organically grown food.很多农场正赶潮流宣传有机食品。It is always best to choose organically grown foods if possible.如果可能，最好还是挑选有机食品。Some shops are bowing to consumer pressure and...
Some prevision warned the explorer of trouble.某种预感警告探险者将有麻烦发生.The guarantee of trust interest relies on the law prevision of entity and procedure.信赖利益的保护有赖于法律在实体和程序上作出规定....