After several months of intensive language study, she hit a learning plateau where her progress seemed to stall.
经过几个月的密集语言学习，她遇到了学习高原期，感觉自己的进步似乎停滞了。
To overcome the learning plateau, the teacher introduced new teaching methods and activities.
为了克服学习高原期，老师引入了新的教学方法和活动。