她茫然的神情让我怀疑她是否在听.The vacancy of her expression made me doubt if she was listening.她脸上有种茫然的神情。She had a kind of vacant look on her face.我在她的眼睛里看到一种茫然的, 忿恨地难以理解的眼光.I recognized the blank , resentful stare of incomprehension...
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....