They could not afford to spoil those maps by careless colouring.若是上色的时候不小心弄坏了那些地图，他们可承担不起。In some places maps are scarce, and are often crudely produced.有些地方很少有地图，而且通常绘制得都很粗糙。It can translate data from maps or remote sen...
I must admit that maps obsess me...我得承认我对地图十分着迷。The isoseismal maps are valuable complements to the instrumental records.等震线图是仪器记录有价值的补充资料.They differ somewhat from bathymetric charts which are virtually topographic maps...
The birds chirp merrily at the top of tree.鸟儿在枝头欢快地啾啾鸣唱.Now it is clearing up, and a sparrow is beginning to chirp.现在天就要晴了, 一只麻雀已开始喳喳地叫.Birds had begun to chirp and twitter among the trees.鸟儿开始在树丛中啁啾鸣啭....