Learning difficulties
学习障碍（天生智力问题或疾病、受伤引起）
🧩 词语组成解析
n. 困难( difficulty的名词复数 ); 难度; 难事; 麻烦
🗣️ 情景例句
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
Knavery may serve,but honesty is best.
欺诈可能有用，诚实却是上策。
What about when we leave?
我们离开实验室又该做些什么呢？