valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share
covalence的用法和樣例：
例句
用作名詞 (n.)
All Covalence Notes tendered pursuant to the exchange offer will be promptly returned to their holders. 所有共價債券招標根據交換要約將迅速返回自己的人。
In connection with the merger, CSMC is also terminating, effective today, its exchange offer relating to the Covalence Notes. 在本次合併交易，華潤上華也終止，即日起生效，其交換要約有關共價債券。
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