opp形式是irregular,意思是不规则的,例如:
1、She tested us on irregular verbs.她考了我们的不规则动词。
2、Irregular forms are given in parentheses.不规则形式标注在括号内。
3、He visited his parents at irregular intervals.他不定期地看望父母。
opp形式是irregular,意思是不规则的,例如:
1、She tested us on irregular verbs.她考了我们的不规则动词。
2、Irregular forms are given in parentheses.不规则形式标注在括号内。
3、He visited his parents at irregular intervals.他不定期地看望父母。