?? 詞語組成解析
kidney
['k?dni]
n. 腎，腎臟;（可食用的動物的）腰子;脾氣，性格;
fern
[f?:n]
n. <植>羊齒植物，蕨類植物;
??? 情景例句
It's certainly a good idea.
這的確是個好主意。
About how long does it take?
大約要坐多久？
Are you kidding?
你在開玩笑吧！