gradual onset

基本解釋

The characteristics of the infections are as follows:1. The onset was gradual mostly.
繼發(fā)性免疫缺陷者細(xì)菌感染的特征是：1。大多起病緩慢；
The onset of the disease is usually gradual, starting with fever, general weakness, and malaise.
該病通常為漸進(jìn)性發(fā)病，開始時(shí)出現(xiàn)發(fā)燒、全身虛弱和不適。
There is a gradual onset of signs, which include incoordination progressing to paralysis, changed voice, and difficulty eating.
癥狀是逐步顯現(xiàn)出來(lái)的，包括運(yùn)動(dòng)不協(xié)調(diào)發(fā)展至癱瘓、變聲和攝食困難。