Defensive quills dot the backs of these troublesome creatures.防御性的刺长在这些讨人厌的生物背上.Quills were the chief writing implement from the 6th century AD until the advent of steel pens in the mid 19th century.从公元6世纪到19世纪中期钢笔出现以前,羽...
Each man has his merits and demerits.每个人都有他的功和过.The committee are looking at the merits and demerits of the proposal.委员会正在评判该提议的优缺点.The preparation of catalysts , yield of glyceryl triacetate and and demerits the catalys...
非要等起重机来了才能装运 吗 ?Must we wait till the crane arrives before we start loading?我们得把货物分成3批装运.We have to make three loads of the cargo.这些是准备装运的货物.These are articles ready for shipment....