audio-aid

常见例句

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。
My friends bailed me out with economic aid.
我的朋友们从经济上帮助我使我脱离困境。