同济校区里裘法祖之树一定更加茁壮，你和恋人常坐的石凳是否还是老模样？
The tree of Qiu Fazu in Tongji campus must grow stronger, but the stone bench you and your lover usually sit on it is yesterday’s one?
蝙蝠这种回响定位法常拿来和原理与之很相近似的雷达比拟。
This echolocation in bats is often compared with radar, the principle of which is similar.
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