the art.那;这;这些;那些adv.(用于比较级前)更加;用于最高级前;(用于形容词、副词比较级前)越...越...
双语例句
The equipment is still at the experimental stage. 这种设备仍处于试验阶段。
Despite the recent biologic and clinical advances, reproductive organ transplantation remains experimental and controversial. 尽管最近的生物学和临床出现了进展,生殖器官移植仍旧处于试验阶段并存在争议。