external pressure 外部压力
external condition 外在环境,外界条件
external appearance 外观;外形
例:The external features of the building are very attractive.
这座建筑物的外观是很吸引人的。
Chunks in Practice
Translate the following sentences into English or Chinese.
1. Since we have lived in the race thought for thousands of years, it seems almost impossible to control them.