• 保持镇静

remain in呆在家里；保持处于（某种状态）remainv.剩余；逗留；留下；依然；保持n.剩余物；遗迹；残骸Remaining gallstone残余胆结石Remain a mystery.留下一个谜。remain in operation继续运转remaining resources保留地下资源remain in the house呆在屋里remain committed to仍然信守对 ... 的承诺remaining deviation剩余自差Remaining Intensity残余强度remaining error rate剩余错误率remaining flashpoint残留的冲突热点

1. She is trying to remain calm, but there is a distinct edge to her voice.
   她竭力想保持冷静，但她的声音中却显然带著怒气。
2. She was trying to remain calm, but there was a distinct edge to her voice.
   她竭力想保持冷静，但她的声音中却显然带著怒气。