Summer temparature reached an all-time high. 夏天温度达到前所未有的高温。
It is a herpes virus that causes roseola -- an infection marked by high fever and the usual vague virus symptoms that may include respiratory or stomach problems. 疱疹病毒一般会导致红疹,这种感染是伴随着高热和不大明确的病毒症状比如可能是呼吸道和胃肠疾病。