directional

音標發(fā)音

adj性質(zhì)的同根詞
direct：直接的；直系的；親身的；恰好的。
directed：定向的；經(jīng)指導的；被控制的。
directionless：沒有方向的；沒有目標的。
adv性質(zhì)的同根詞
direct：直接地；正好；按直系關系。
n性質(zhì)的同根詞
direction：方向；指導；趨勢；用法說明。
directionality：定向性，方向性；方向感知。
directiveness：定向性；指令性；趨向或趨勢的確定性。
v性質(zhì)的同根詞
directed：指導；管理（direct的過去式和過去分詞）。
vi性質(zhì)的同根詞
direct：指導；指揮。
vt性質(zhì)的同根詞
direct：管理；指揮；導演；指向。

A directional light emits parallel rays in one direction.
定向光向一個方向發(fā)出平行的光線。
And they can take directional bets by not hedging all of the marketmaking trades they do for clients.
而且，他們可以通過不完全對沖其為客戶所做的做市交易而作方向性的下注。
The faint arrows, similar to the directional markings on a tactical map, are one of the rare carry-overs from his military world.
那微小的箭頭就像戰(zhàn)術的圖中的方向標志，也是很少從他的軍事世界里挪用過來的東西之一。

Consistently focusing on those core directional choices that will best move you toward your hoped-for future.
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It features a 7-inch capacitive screen, 2 shoulder buttons, 4 face buttons and a directional pad.
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American Directional Boring, case number 09-1194, in the U.S. Court of Appeals for the Eighth Circuit.
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(SIGNALS) Directional radio equipment receives or sends stronger signals in particular directions.
(FASHION) very fashionable

If something such as a radio antenna, microphone, or loudspeaker is directional, it works most effectively in one direction, rather than equally in all directions at once.
Directional means relating to the direction in which something is pointing or going.