aux.iliary 'verb n[C] a verb that is used with another verb to show its tense, person, mood etc. In English the auxiliary verbs are 'be', 'do', and 'have' (as in 'I am running', 'I didn't go', 'they have gone') and all the modals
1. Arrange an auxiliary cooking and heating source that can be used outside. One alternative is a portable camp stove with small cans of gas. 放置一个备用的户外烹调和取暖用具,或者准备一个便携式露营灶和几小罐煤气。
2. In the sentence " The boy threw the ball " , the word " threw " is a verb. 在“男孩扔球”这个句子中,“扔”是动词。