several months later

• 几个月以后

several months later的用法和样例：

例句

1. Months later they saw the fetus in an ultrasound.
   几个月以后，他们通过超声波看到了胎儿。
2. A few months later the brothers sent up another balloon.
   几个月以后，兄弟俩放升了另一只气球。