帮助（aid的现在分词形式）；
"visual aids in teaching"
同义词：assistancehelp
the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose"rescue party went to their aid"
同义词：assistassistancehelp
a gift of money to support a worthy person or cause同义词：economic aid
the work of providing treatment for or attending to someone or something同义词：careattentiontending
v.give help or assistance; be of service同义词：helpassist
improve the condition of同义词：help
with the aid of在…的帮助下，在…援助下
give aid to给…予帮助
first aid急救；急救护理
aid in vt. 帮助；帮助（在...给予帮助）
financial aid经济援助；助学金；财政补助
foreign aid n. 外援，国外援助
legal aid法律援助
in aid of用以援助…之用
by the aid of借助于；通过…的帮助
humanitarian aid人道主义援助
hearing aid n. 助听器
mutual aid互助
medical aid医疗救护；医疗补助
international aid国际援助
economic aid经济救助
teaching aid教具
emergency aid紧急救援
grinding aid助磨剂，磨料；研磨助材
filter aid[化]助滤剂；助滤器
state aid国家补助；（美）州政府对地方公共事业的补助费
更多收起词组短语