本書所列單詞共計1200個，加上各詞的衍生詞、同義詞及反義詞，則實際收錄約2500詞，均屬于中上難度的詞。讀完本書，您的單詞量當在5000詞以上。

<注意>單詞占一行，另起一行寫句子，單詞不需要大寫，句子開頭字母大寫
alley The truck was too large to pass through the alley. apologize I apologized to her for stepping on her foot. dairy We could see lots of milk products in the dairy. discern I was not able to discern the road in the dark. jaw The meat was so tough that his jaws hurt from chewing it. limp After falling down the stairs, he limped for several days. pillar The roof of the porch is supported by brick pillars. potential He is regarded as a potential leader of our political party. refrigerator In summer we have to keep milk and meat in the refrigerator. skull He was knocked unconscious by a sudden blow on the skull. strategy Tactics refers to the disposition of armed forces in combat whereas strategy refers to the overall plan of a nation at war. trench The soldiers dug trenches to protect themselves against enemy fire or attack. undertake I will undertake the responsibility of feeding your dogs while you are away. He always undertakes more than he can do.
alley n.巷 這輛卡車太大了，無法穿過這條巷子。 apologize v.道歉 我因踩了她的腳而向她道歉。 dairy n.牛奶房 我們可以看到牛奶房里有大量奶制品。 discern v.辨認 我無法在黑暗中辨認道路。 jaw n.顎 那塊肉是如此堅韌以致他的鄂由于嚼它而受傷。 limp v.跛行 從樓梯摔下來之后，他跛行了好幾天。 pillar n.柱子 走廊的屋頂由幾根轉(zhuǎn)柱子支撐著。 potential adj.可能的；潛在的 他被認為是我們政黨潛在的領(lǐng)袖。 refrigerator n.電冰箱 在夏天，我們必須把奶和肉保存在冰箱里。 skull n.頭蓋骨 他被腦袋上突然的一擊打昏了。 strategy n.戰(zhàn)略 戰(zhàn)術(shù)是指在戰(zhàn)斗中軍力的部署，而戰(zhàn)略是指作戰(zhàn)期間一個國家整體的作戰(zhàn)策略。 trench n.戰(zhàn)壕 士兵們挖掘戰(zhàn)壕來使他們自己不受敵人的炮火或攻擊。 undertake v. 1.擔任 2.嘗試 當你不在時，我將承擔起喂你的狗的責任。 他總是嘗試去做超出他能力所及的事。