adj.更安全的
形容詞safe的比較級(jí).
The big ship is safer than the small one. 大船比小船更安全。
Bill called in question Tom's remark that basketball is safer than football. 比爾對(duì)湯姆所說(shuō)的打籃球比踢足球安全些的話表示懷疑。