廣州新東方酷學(xué)酷玩冬令營(yíng)介紹在英語基數(shù)詞中加s的規(guī)則介紹。

    廣州新東方酷學(xué)酷玩冬令營(yíng)介紹，基數(shù)詞在用來表示準(zhǔn)確數(shù)字的情況下不能加復(fù)數(shù)后綴"s"。以下基數(shù)詞可以加復(fù)數(shù)后綴"s"，因?yàn)樗鼈儽磉_(dá)的都是大概的數(shù)字。

    1.thousands of / millions of / hundreds and hundreds of / hundreds of thousands of / thousands upon thousands of 成千上萬……例：there are hundreds of thousands of people in the park. 公園里的人有千百個(gè)。

    2. in twos and threes 三三兩兩例：they came home from church by twos and threes. 他們?nèi)�三兩兩地從教堂回來�?/p>

    3. at sixes and sevens 亂七八糟例：his wife was away and the house was at sixes and sevens. 他妻子不在，家里亂七八糟的。

    4. in one's fifties 在五十多歲時(shí)（fifties 前可插入 early, late, mid-, middle)例：the boys are all in their teens. 那些男孩年紀(jì)都在十幾歲。

    jane is only in her early forties. 簡(jiǎn)才剛剛四十出頭。

    she was in her mid-twenties. 她有二十五、六歲。

    he was then in his late seventies. 他當(dāng)時(shí)已經(jīng)快八十歲了。

    5. in the 1960s (in the 1960's) 二十世紀(jì)六十年代例：he made acquaintance of her in the 1960s. 六十年代他認(rèn)識(shí)了她。