theoretical
adj
1 concerned with the theory of a subject 理论的; 理论上的
a theoretical physicist 理论物理学家
This book is too theoretical; I need a practical guide. 这本书理论性太强,我需要一本实用手册. Cf 参看 practical 1.
2 supposedbut not necessarily true 假设的
Lendl´s strength onclay gives him a theoretical advantage. 兰德尔体格健壮,按说他占些优势.