n. 田;(作某种用途的)场地;(学习或研究的)领域;运动场;
vi. [棒球、板球等]担任外场员,担任守队队员;接守,接防;接,掷还(球);
adj. 实地的;[体育]1)。 在田赛场地进行的2)。 田赛的;军事]野战的;在实地工作的;
vt. 保护;把(农作物等)晒在场上;[棒球、板球等]按(或截)(球);即席圆满回答;
and near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.