Berenstein
n. (Berenstein)人名；(英)貝倫斯坦
??? 情景例句
Experienced, talented, retired.
有經驗， 有才能， 退休了。
Use is a second nature.
習慣成自然。
and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
并充分顯示出了儀表和儀器的潛在力量。