Bealloy
铍铜合金的母合金, 铜铍中间合金
🗣️ 情景例句
She has a high reputation as a writer.
她是个有名气的作家。
He's known me for over ten years.
他认识我超过10年的时间了。
But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.
但是，和我们相似的原始人生活的年代太久远了，因此，有关他们的传说既使有如今也失传了。