Covalently
adv. covalence（共有原子价, 共价）的变形
🗣️ 情景例句
More than 50% of marriages are doomed to fall.
50%的婚姻都注定以失败告终。
Graduation is often the last moment of childhood.
毕业往往意味着儿童时期的结束。
She then began to make up her face.
然后她开始打扮起来。