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Lesson 49
第49课
practical
adj.实际的
We should turn our thoughts to practical matters.
我们应把思想转向实际问题。
official
n.官员
The president is the most powerful government official.
总统是最有权力的政府官员。
kneel
v.跪下
Have him kneel in front of you then slowly sit on him, locking you’re legs around his back.
让他跪在你前头，然后慢慢在他身上坐下，用双腿缠绕他的背，锁住他。
command
v.命令
The officer commanded his men to fire at the enemy.
指挥官命令部下向敌军开火。
broom
n.扫帚
The lobby is empty but for the postman and his broom.
大厅里除了邮差和他的扫帚以外别无他人。
affair
n.事务，事情
When he asked me how much money I earned, I told him to mind his own affairs.
当他问我赚多少钱时，我叫他别管闲事。
reply
v.回复
We all desire your early reply to this inquiry.
我们都希望你对此询问尽早答复。
machinery
n.机器
The factory has much new machinery.
这家工厂有许多新机器。
estate
n.财产
She cashed in on her real-estate investments.
她在房地产的投资上赚了钱。
dim
adj.微暗的
The light is too dim for me to see.
灯光太暗，我看不见。
acid，acri，acrid
置于词根前表示“尖，酸，锐利”
acidify
酸化(acid+ify 酸化）
acidulous
微酸的(acid+ulous 微酸的）
acrid
辛辣的；类刻的(acrid 辛辣的；类刻的）
