普利茅斯海洋研究所的科学家一半有学士学位，另一半则有博士学位。Half of PML's scientists have first degrees, the other half have PhDs.瑞安博士周游世界为他的书搜集资料。Dr Ryan travelled the world gathering material for his book.梅西伯夫博士阐述了他的教学方法的基础。Dr. Mesibov set fo...
检查损坏或缺齿的转速脉冲轮.INSPECT THE TONE WHEEL FOR DAMAGED OR MISSING TEETH.她露出缺齿的微笑喀喀笑著, 说: [现在轮到你的第三个愿望了.She grinned toothlessly and with a cackle, spoke:'Now your third wish.你肯定看不见缺齿或不正确的咬合.You definitely won't see mi...
Lena got pregnant and married.莉娜怀孕并结婚了。And Lena is helping me with my lines.莉娜在帮我对台词.Aunt Lena came to visit us at an awkward time.丽娜大婶在我们很不方便的时候来了....
电阻的测量单位是欧姆。The electric resistance is measured in ohm.网路电阻超过230欧姆时，读数就完全不准了。When resistance in the circuit exceeds 230 ohms, the reading is not completely dependable.我们取发射极基极电阻的典型值为250欧姆左右.We shall take the typical emitt...