v. (人)单足跳，(鸟，青蛙等)双足跳
He had hurt his left foot and had to hop along. 他的左脚受伤，不得不单足跳行。
hose
n. 长筒袜;(救火等用的)软管，水龙带
hospitality
n. 好客，殷勤，款待
hostage
n. 人质，作抵押的人或物(多指人)
take sb. hostage 把某人作为人质
hostess
n. 女主人;旅馆女老板;(节目)女主持人;女服务员
hound
n. 猎犬
hover
vi. (鸟)翱翔，盘旋
A kite was hovering overhead. 风筝在头上盘旋。
vi. 徘徊
He hovered around the house. 他在房子周围徘徊着。
howl
v. 嗥叫
Wolves are howling in the forest. 狼在林中嗥叫。
v. (风)怒吼
v. (人)高声叫嚣
The children howled with laughter. 孩子们纵声大笑。
n. 嗥叫，哀号，叫嚣
hug
n. 搂，紧抱
She gave her son a motherly hug. 她以母亲的柔情紧抱她的儿子。
[同]embrace
vt. 紧抱，搂
The child was hugging her doll. 那小孩紧抱着她的洋娃娃。
hull
n. (水果、种子等的)外壳
[同]shell
n. 船体
vt. 去…的壳;(用炮弹等)打穿…的船壳
hum
v. 作嗡嗡声
The bees were humming in the garden. 蜜蜂在花园里嗡嗡叫着。
[同]buzz
v. 哼唱
She hummed as she worked. 她在工作时轻轻哼唱。
n. 嗡嗡声，哼哼声
The wind carried the hum of distant traffic. 风传来了远处过往车辆的嗡嗡声。
humanitarian
n. 人道主义者;博爱主义者，慈善家
adj. 人道主义的;博爱的，慈善的
humanity
n. 人类(总称)
[同]mankind
n. 人性，人情;(复数)人文学科
humidity
n. 潮湿，湿气，(空气的)湿度
hurl
vt. 猛投，猛掷
[同]throw
[难点]
hurl oneself upon … 向…猛扑过去
They hurled themselves at / upon the enemy and attacked them violently.
他们扑向敌人并猛烈地攻击。
hurl sth. at … 将某物猛掷向…
hurrah
int. 好哇，万岁
Hurrah for the Queen ! 女王万岁!
hurricane
n. 飓风，十二级大风
hush
v. (使)肃静，(使)安静
She hushed the baby to sleep. 她使婴儿安静入睡。
n. 肃静，静默
There was a sudden hush. 突然肃静下来。
[同]silence
int. 嘘!别做声!
hydraulic
adj. 水力的，液力的
a hydraulic lift 水力升降机
adj. 水压的，液压的;水力学的
hydrocarbon
n. 碳氢化合物
hymn
n. 赞美诗，圣歌
They are singing a hymn. 他们正在唱圣歌。
hypothesis
n. 假设
ice
v. 冰冻，使成冰
His refusal iced our enthusiasm. 他的拒绝打消了我们的热情。
v. 用冰覆盖
The river was iced over. 河给冰封起来了。
icy
adj. 冰冷的;结冰的
idealism
n. 唯心主义;理想主义
ideally
adv. 理想地，完美地
identification
n. 认出，识别
[同]recognition
n. 鉴别，验明;身份证明
idiot
n. 白痴，傻子
idleness
n. 懒惰，闲散
live in idleness 游手好闲
n. 无益，无效
ignite
v. 点燃，点火
The liquid ignited when somebody dropped a match in it.
有人向这种液体扔了一根火柴时，它燃烧了起来。
ignorance
n. 无知，愚昧
[同]illiteracy
n. 不知道
[难点]
be in ignorance of 不知道
illiterate
adj. 文盲的，未受教育的
[同]ignorant
n. 文盲
[反]literate
illuminate
v. 照亮，照明
The room was illuminated by candles. 房间被蜡烛照亮了。
v. 启发，阐明
illuminate a statement with many examples 用许多实例阐明一个论点
illusion
n. 幻想，幻觉;错觉
[难点]
under the illusion about 对…抱有幻想
have no illusion about 对…不存在幻想
