sniffer
n. 嗅探者, 嗅探器
例句与用法：
"We shouldn't sniff at this opportunity--we any not get another like it."
"我们不可小看这个机会--也许我们再也找不到这样的机会了。"
His generous offer is not to be sniffed at.
对他的慷慨厚意不可嗤之以鼻。
The dog was sniffing at the lamppost.
那条狗在街灯柱旁嗅来嗅去。
词形变化：
形容词: sniffable | 名词: sniffer | 动词过去式: sniffed | 动词过去分词: sniffed | 动词现在分词: sniffing | 动词第三人称单数: sniffs |