A shepherd must tend his flock. And, at times, fight off the wolves.

语音讲解
单词发音
shepherd /ˈʃepəd $ -ərd/
flock/flɒk $ flɑːk/
wolves /wʊlvz/
连词发音
tend his flock /tendɪzflɒk/
语音知识拓展：
h音的击穿
存在于口语中
存在连读现象中（停顿时不连读）
只存在于非重读的、以h为首的虚词（或功能词、语法词-function words）中。
he her his him have has had
have作实词意为“有”时，不可击穿
如：tell her/telə/ we're leaving. This is his/ɪzɪz/ sister
想一想：give him a hand 怎么读？
轻读重读
重读：shepherd/tend/flock/fight /wolves
弱读：must/his/at/the

词汇讲解
1.tend
释义：to look after someone or something
例句：Jose was outside tending the garden when the fire broke out.
拓展：tend to do sth.
释义：if something tends to happen, it happens often and is likely to happen again
例句：People tend to need less sleep as they get older.
拓展：tender
Her voice was tender, full of pity...
她的声音很温柔，充满了怜爱。
It is a beautiful meat, very lean and tender.
这块肉很好，又瘦又嫩。
2.flock
noun.
释义：a group of sheep, goats, or birds 鸟群 大量
例句：a flock of small birds/ a flock of children
verb.
释义：if people flock to a place, they go there in large numbers because something interesting or exciting is happening there
例句：People have been flocking to the park.
人们蜂拥至公园。
近义词 swarm 蜂拥
例句：Every day tourists swarm through the narrow streets of the old city.
游客们每天都涌进老城狭窄的街道。
3.fight off
释义：击退
例句：
How do you fight off a crocodile?
你怎么击退一只鳄鱼？
The stars had to fight off the crowds to get out of the auditorium.
明星们得极力摆脱人群，才能走出礼堂。
短语中的介词都是什么意思？
动词表动作，介词表做出动作后的状态。
off=away 离开、使分离
walk off/take off/fight off
和fight有关的短语：
fight for 为……而斗争
fight against 与……作斗争
fight over 因……而打斗
fight back 反击,克制
fight down 忍住,抑制
fight off 击退
fight out 通过斗争解决（争端）
fight shy of 避开
make a fight of it (put up a fight)进行到底
活学活用
fight
英文：He felt pleasantly drowsy and had to fight off the urge to sleep.
中文：他感觉昏昏欲睡，只好尽量克制睡意。

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