教学用具的英文：
teaching aid
n. 教学；教义
v. teach的现在分词；教
Experience teaches
经验给人教训
Implement affective teaching to improve English teaching quality.
实施英语情感教育提高英语教学质量。
Can you teach me the drill?
你能教我正确的作法吗？
Failure teaches success
失败是成功之母
Teach others by your example
以身作则
n. 援助；帮助；助手；辅助设备
v. 帮助，援助
This is an Aids charity.
这是一个艾滋病慈善组织。
He carries the AIDs virus (is infected with the AIDs virus)
他携带爱滋病病毒
To machine(an object)with the aid of a jig.
用夹具辅助加工（一物件）
She was hired as a aide to the diplomat.
她被聘为这外交官的助手。
You are aiding and abetting in a homicide.
你就是帮助和教唆一个杀人犯。