I've been here for three weeks, and so far I've enjoyed it.
我已经在这里逗留了三个星期,到现在为止,我过得很好。
Over the periods their saliva, a mild, digestive juice like our own, was converted into a poison that defies analysis even today.
蛇的唾液本来和我们人的消化液一样柔和,但经过漫长的时间,演变成了今天仍无法分析清楚的毒液。