例句：

　　Sadly, bamboo plants die after flowering.

　　令人遺憾的是，竹子開(kāi)花后就會(huì )死亡。

　　Sadly, both he and my mother died of cancer.

　　令人悲傷的是，他和我母親都死于癌癥。

　　Sadly when the lid of the boot sprang open, it was empty.

　　可惜，當后備箱蓋彈開(kāi)時(shí)，里面是空的。