Stumbling
a. 障碍的
✅ 同义词
🗣️ 情景例句
We have talked of you ofter.
我们经常谈到你。
What's your counter-offer?
您的还价是多少？
the necessary method of study is to group the relevant material and to take note of all possible variant forms and conditions.
应采取的研究方法是，把有关各方面的材料汇集起来，同时注意任何可能出现的异常情况和条件。