例句與造句

1. All students who participate in at least 50 hours over the course of a school year receive an official TOUCH pin.
2. The Touch Pin enables the user to operate the dictation device by feel; when set on  stop, the Touch Pin protrudes slightly from the switch.
3. The Touch Pin enables the user to operate the dictation device by feel; when set on  stop, the Touch Pin protrudes slightly from the switch.
4. It's difficult to find touch pin in a sentence. 用touch pin造句挺難的