Heptatomic
七原子的, 七元(价)的
🔁 扩展释义
【医】 七价的
🗣️ 情景例句
Ten o'clock in the morning. Here.
上午十点 ，在这里。
Thank you for giving me an opportunity to speak about myself at this special occasion.
谢谢大家给我机会在这样一个特别的场合介绍我自己。
German is a more difficult language than English is.
德语比英语难学。