?? 詞語(yǔ)組成解析
mad
[m?d]
adj. 瘋狂的;猛烈的;著迷的;〔口語(yǔ)〕憤怒的，生氣的;
vt. 使瘋狂;
dog
[d?ɡ]
n. 狗;蹩腳貨;丑女人;卑鄙小人;
v. 困擾;跟蹤;
weed
[wid]
n. 雜草;大麻;廢物;煙草;
vt. 給…除雜草;除（草）;消除;
vi. 除草;
??? 情景例句
Oh, yeah?
噢 ，做什么？
How many cans are you going to take?
你要拿幾罐？
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是認(rèn)真和資深的科學(xué)家，他們一直夢(mèng)想著把人送上火星。