她的起居室两全其美，一端是个办公室，另一端有舒服的沙发。
Her living room provides the best of both worlds, with an office at one end and comfortable sofas at the other.
为了训练小鼠，实验人员把它放在一个操作性条件反射室：一个一端置有操作杆的塑料箱。
To train a rat, the experimenter placed it in an operant conditioning chamber: a small plastic box with a lever at one end.
也许她那张写给莎莉逗她玩的法语便条，并没有传到自习室另一端的莎莉那，而是到了奥谢小姐的手里。
Perhaps the note in French she had written to Sallie halfway across the study hall just for fun had never got to Sallie but into Miss O'Shay's hands instead.
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