Bealloy
铍铜合金的母合金, 铜铍中间合金
🗣️ 情景例句
Lots of interesting information about our family.
很多我们家有趣的东西呢
I invited him last Thursday.
我上个星期四邀请他。
I've chosen the main actors and we intend to put it on next January.
我已经选好了主要演员，打算在明年1月上演。