dulls的例句（dulls在句子中的用法）

• A cold dulls sb.'s taste. 伤风使某人失去 辨别 滋味的能力.
• Watching television dulls one's wits. 看电视能使人头脑迟钝.
• This cheap knife dulls easily. 这把便宜的刀容易变钝.
• Egotism is the anesthetic that dulls the pain of stupidity. 自负是为了麻痹因为愚蠢带来痛楚的麻醉剂.