亚历山大的工兵修建了浮动的筏子来运载沉重的弩炮.Alexander's engineers built floating rafts for the heavy catapults.世界在冷战中剑拨弩张.The world lives at daggers drawn in a cold war.双方剑拨弩张.The knives are out on both sides....
每个学生一学期可能要修四五门课程.A student will probably attend four or five courses during each semester.学校的管理机构一学期开一次会.The shool governing body meets once a term.它可用作一学期的教材.It is designed as a textbook for a one - term course....
Few would argue that this team has experience and proven ability.这个队伍的丰富经验和表现出来的实力是众所公认的。In the past this process of transition has often proven difficult.过去这一过渡过程常常很艰难。a student of proven ability确有才华的学生...