Stm
[化] 扫描隧道显微镜
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
You've got an express mail.
你有特快专递。
Tim is looking at an aeroplane.
蒂姆正望着一架飞机。