我将专攻地理学.I shall confine myself to the subject of geography.森林学和地理学有关.Forestry appertains to geography.那时正是地理学真正开始发生改变、许多新观念兴起的时候。It was just when geography was really beginning to change and lots of new ideas were coming...
然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求.There is a great deal of demand in modern electronics, however, for bandpass amplifiers.频率是可以调谐的.It is accompanied by a tone.外腔反馈的激光二极管阵列 ( LDA ) 可获得窄线宽 、 可调谐的光谱输出.Linewidth - narrowed, tuna...
At that moment the tiger commenced ambling towards his victim.就在这时,老虎开始缓步向它的猎物走去.The gait has a typical roll when ambling or walking.走路时步伐为典型的滚动步伐.He was ambling along the road.他从容轻松地沿路行步....