土壤的化学成分the chemical composition of the soil枯死的植物腐烂,又成为土壤的一部分.Dead plants rot and become part of the soil again.土壤的酸性可以通过在它上面撒石灰来中和.Acidity in soil can be neutralized by spreading lime on it....
The red star was the national insignia of the USSR.红星曾是苏联的国家标志。He desired not the purple and the fasces, the insignia of vulgar command.他并不向往标志着庸俗权力的高官厚禄.The insignia was visible on the wingtip.翼梢上的徽记清晰可见.But peace of mi...
The War between Qing Dynasty and Annam occurred in the periods of Qianlong.“安南之役”是清乾隆年间中、安之间发生的一场战争.China's Zhang Heng invented the seismograph during the Han Dynasty.中国的张衡在汉朝时发明了地动仪." The Capital Gazatte " , first ...
TWO NEW SPECIES OF RHYNCAPHYTOPTINAE FROM CHINA ( ACARI: RHYNCAPHYTOPTIDAE )大嘴瘿螨亚科二新种记述 ( 蜱螨亚纲: 大嘴瘿螨科 )TWO NEW SPECIES OF EVIPHIDINAE FROM CHINA ( ACARI: EVIPHIDIDAE )犹伊螨亚科二新种 ( 蜱螨亚纲: 犹伊螨科 )A NEW SPECIES OF THE GENUS EUG...
The volume of scheduled flights is straining the air traffic control system.定期航班的数量正让空中交通指挥系统不堪重负。Today we are overpopulated, straining the earth's resources.现在我们人口过多，致使地球资源使用过度。There is someone straining his ears a...