us和use和duck的发音不同是哪个

us和use和duck的发音不同是: use

us[ʌ]，use[ju:]，duck[ʌ]

Some people use flattery to get favours .
有些人靠阿谀奉承谋求好处。

The meat was salted away for future use .
肉腌了起来，以备日后食用。

I used to pass whole evening that way .
以前我总是这样消磨整个黄昏。

Stock dyeing is used more often than before .
原料染色比以前用的多。

Millikan used a value about 1% too low .
密立根所用的值大约偏低1。