Cat butter
[醫] 貓試驗(檢葡萄球菌腸毒素)
?? 詞語組成解析
cat
[k?t]
n. 貓;貓科動物;狠毒的女人;爵士樂愛好者;
vt. 把（錨）吊放在錨架上;〈俚〉尋歡，宿娼;
butter
['b?t?]
n. 黃油;黃油狀的食品;奉承話;焊膏;
vt. 抹黃油于…上;用黃油煎食物;討好;
??? 情景例句
That's reassuring.
真令人安心。
How long have you been studying English?
你學了多長時間的英語了？
The officer in the control tower was very angry when he heard the news,
控制塔上的官員得知這一消息后，非常氣憤，