The survey was carried out in both urbanandruralareas.
该调查在城市和乡村地区都开展了。
《柯林斯英汉双解大词典》
2
Teachers in low-income urbanandruralareas with no history of participating in math competitions may not know about advanced-math opportunities like Math Counts.
低收入的城乡地区的教师没有参加过数学竞赛,他们可能不知道有像 Math Counts 这样学习高数的机会。
3
Pruessner and colleagues studied the brain activity of healthy volunteers from urbanandruralareas.