Beryllide
铍化物, 含铍金属
🔁 扩展释义
【化】 铍化物
🗣️ 情景例句
Yes. We're planning
是的。我们计划
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？
she rang up her daughter and asked for her help in what she described as a little spot of bother.
她只得打电话向女儿求援，说她碰到了一点儿小麻烦。