不: a block of wood到底: to the end; to the finish的: 4次方是 The fourth power of 2 i ...测: survey; fathom; measure深: deep拼到底的人: bitter ender不到底测声: no bottom sounding打到底的战斗: a finish fight拼到底的比赛: dead game不到底截水墙: partial cut-off我找不到到底: i cannot find the finish不需打到底的牌: hands not played out主张硬拼到底的人: bitter-ender追究到底的询问: following up inquiries同敌人血战到底的气概: the spirit to fight the enemy to the last drop of one's blood地震反射得出的测深数据: seismic reflection-derived bathymetric measurements底的: basal〔美俚〕坚持不屈的人,顽抗到底的人。: bitter-ender坚忍不屈的人, 主张硬拼到底的人: bitter-ender顺螺旋方向偏到底的方向舵: full pro-spin rudder到底: 1.(到尽头) to the end; to the finish 打到底 fight to the finish; 坚持到底 hold on to [till] end2.(最后) at last; in the end; after all; finally 试验到底成功了。the experiment finally proved to be a success.3.(究竟) ever; indeed 你到底说了些什么? what on earth did you say?4.(终究) after all; in the final analysis 别灰心, 这工作对你说来到底还是生疏的。 don't get discouraged, you are new to the work after all测深: bathymetry; depth finding; depth measurement; depth probe; depth sounding; fathoming; measurement of depth; plumbing; to sound; vertical profiling不到: hardly more than; less than底的, 基底的: fundal; fundic冰底的: infraglacial