tractability

n. 驯良,温顺,易处理

trace, trace element, traceable, tracer, tracery, trachea, tracheotomy, trachoma, tracing, tracing-paper, track, track and field, track down, track events, track out, track record, track suit, tracked, tracking station, tract, tractable, traction, traction-engine, tractor, tractor-trailer, trad, trade, trade gap, trade mark, trade name, trade price, trade secret, trade wind, trade-in, trade-off, trade-unionism, trade-unionist, trademark, trader, Trades Union Congress (abbr 缩写 TUC),