55期-每天记5单词

1.invation

n.

[definition]:入侵、侵略

[root&affix]:in+vas（走）+ion（名词后缀）--走进来--入侵、侵略

[example]:the freedom from foreign invasion （不受外来侵略）enables a country to develop its natural resources steadily.

2.nevertheless

ad.conj.

[definition]:仍然、然而；然而、

[example]:he was tired,nevertheless he kept on working.

3.attendance

n.

[definition]:到场、出席；出勤；伺候、照料

[example]:take attendance点名;attendance record考勤记录

4.optional

a.

[definition]:可选择的、非强制的、随意的

[example]:an optional course选修课

5.enable

vt.

[definition]:使能够、使成为可能

[example]:enable sb to do sth.the bank service enables you to withdraw cash from your account at any time.

回顾：1.invation 2.neverthless 3.attendance 4.optional 5.enable