副词
1. across的解释
1. He couldn't get the idea across to the class.
他无法使班上学生了解这概念。
2. across是什么意思
2. We got into the boat and rowed across.
我们上了船，将船划到对岸。
3. The river is 50 metres across.
河宽50米。
介词
1. He lives across the street.
他住在街对面。
2. We walked across the street.
我们穿过马路。
3. The TV series became popular across the country.
这部电视连续剧在全国各地广受欢迎。