她的车被一棵倒下的树压扁了。

Her car was ___crushed by a falling tree.

那块巨石压碎了脆弱的海螺壳。

The huge rock ___crushed the fragile conch shell.

这台机器设计用来压扁铝罐以便回收。

The machine is designed to ___crush aluminium cans for recycling.