outbreaks例句
The recent
outbreaks of cholera are a timely reminder that this disease is still a serious health hazard.
最近霍乱的爆发及时提醒了人们该疾病仍然会严重危害健康。
The conditions under which field
outbreaks take place are fairly defined.
在野外情况下的发病已充分肯定.
They have been successful against mycosphaerella
outbreaks.
它们可有效地防止球腔菌的大发生.