In1950,oneoftheleadingAmericanwriters()wasawardedtheNobelPrizefortheanti-racistIntruderintheDust.
翻译：Wesendyouabrochureonthevariouskindsofbicyclenowavailableforexport
翻译：WewishtocallyourattentiontothevalidityoftheL/C,sincethereisnopossibilityofL/Cextension.
Theengineer______myfatherworksisabout50yearsold.
______ofmeaningisaprocessbywhichawordthatoriginallyhadaspecializedmeaninghasnowbecomegeneralized.
