用英文句子来解释这些单词如句子11.nominate:toformallysuggestthatsbshouldbechosenforanimportantrole,prizeorposition2.deliver:3.passion:4.assure:5.optimism:6.precarious:7.scepticism:8.conservative:9.brutal:10.transition:

　　用英文句子来解释这些单词如句子1

　　1.nominate:toformallysuggestthatsbshouldbechosenforanimportantrole,prizeorposition

　　2.deliver:

　　3.passion:

　　4.assure:

　　5.optimism:

　　6.precarious:

　　7.scepticism:

　　8.conservative:

　　9.brutal:

　　10.transition: