envelop 和 envelope 之對與錯

• We advanced silently to envelop the enemy from the right. (我們悄悄地推進，從右側包圍敵軍) (正)
• We advanced silently to envelope the enemy from the right. (誤)

解說：envelop 意為「包住；籠罩；包圍」(動詞)；envelope 意為「信封」(名詞)。