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。