The vowel in words like "my" and "thigh" is not very difficult.单词my和thigh中的元音并不难发。English has hurt me a thousand times, but I still regard it as my first love.英语伤我千百遍，我待英语如初恋。I feel it's done me good to get it off m...
Offer firm reply here Friday 100000 tons cotton 24 pences propound fob Alexandria Feb shipment.兹报实盘以你星期五复到为准100000吨棉花每磅24便士亚历山德里船上交货价二月装船.He wins the prize by propound the theory.他因提出学说而获奖.Therefore, we propound the prop...
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...