[知识拓展]
(1)apply...to... 把……运用到……中；
把……涂到……上
apply to... 适应……；适用于……
apply(to...)for... (向……)申请……
apply oneself to 集中精力于
(2)applicant n. 申请人
(3)application n. 申请；申请书；适用
[即学即练] 单句语法填空
①We should apply this theory to practice.
②Students should apply themselves (them) to their studies.
③Tom presented the manager his application (apply)．
