audio-aid

基本解释

• 助听器

同根派生

英汉例句

• It means to give the most-needed and timely aid.
  它的意思是给予最需要的及时的帮助。
• I'm collecting money in aid of starving children.
  为帮助饥饿的孩子们，我正在搞募捐。
• She used slides as a teaching aid.
  她用幻灯片作教学工具。
• They offer financial aid with no strings attached.
  他们无条件提供财务援助。
• The reproductive quality of audio tapes has improved enormously.
  录音磁带的复制质量有了很大改进。