形 straight，stiff，erect，vertical；动 （挺直； 使笔直） straighten，stretch；名 vertical stroke ，a surname；副 directly，straight，（一个劲儿； 不断地） continuously，just ；

[例句] 麦克慢慢直起身站了起来。 Mack seemed to uncoil slowly up into a standing position.

[例句] 它挠得我后脖梗儿的绒毛直痒痒。 It tickled the hairs on the back of my neck.

straight line，steep，sharp，beeline，[电影]La ligne droite；

[例句] 她的耳朵、肩膀和髋部呈一条直线。 Her ear, shoulder and hip are in a straight line.

[例句] 沿直线行进。 Walk in a straight line.

up-right，stato-，endlong，erection，perpendicularity ；

[例句] 保持放松、直立的坐姿。 Sit in a relaxed upright posture.

[例句] 马忽然用后腿直立起来,把我摔下马背. The horse suddenly reared up and threw me off.

perpendicular，vertical，squareness，verticality，apeak ；

[例句] 这小玩意儿可以粘在任何垂直表面上。 The gadget can be attached to any vertical surface.

[例句] 该装置可以装在任何垂直或近似垂直的平面上。 The gadget can be attached to any vertical or near vertical surface.

rectum，tewel，intestinum，archo-，recta ；

[例句] 治疗往往要去掉大肠,其中包括直肠. Treatment sometimes involves removing the large intestine including the rectum.

[例句] 然后将直肠的肌壁与粘膜分离开. Then the lining is separated from the rectum's muscular wall.

direct，immediate，straight；

[例句] 球直接落到了克林斯曼的脚上。 The ball fell straight to the feet of Klinsmann.

[例句] 他靠每周领取的作为病残养老金的直接转账救济支票过日子。 He lived on an invalidity pension which came as a weekly giro.

direct-current (DC)，constant current，steady current，continuous current，direct current ；

[例句] 尤尔卡的手指折断了，鲜血直流。 Yulka's fingers were bloody and cracked.

[例句] 我伤风感冒很重, 直流鼻涕. I have got a bad cold, running at the nose.

direct connection，straight in ；

[例句] 一段石阶从鹅卵石路上一直向上直通城墙。 A number of staircases ascend from the cobbled streets onto the ramparts.

[例句] 过了林木线之后沿着长满青草的小道直通陡峭的顶. Above the treeline take a grassy path leading steeply towards the summit.

名 diameter；

[例句] 这个洞眼的直径只有0.23英寸。 This hole was a scant .23 inches in diameter.

[例句] 这个手绘盘子直径为30厘米。 This hand-decorated plate measures 30cm across.

honest，upright，fair-minded，honesty，integrity ；

[例句] 他无可争议的忠诚正直赢得了人们的爱戴和尊敬。 He inspires affection and respect as a man of unquestionable integrity.

[例句] 他是个正直的商人，完全可靠，不会被收买。 He was a sound businessman, totally reliable and incorruptible.

[心] intuition，gut feeling，[电影]El sexto sentido；名 hunch，gnosis，instinct；

[例句] 他凭直觉认为它具有普遍性，也许他是正确的。 He was probably right to intuit that it was universal.

[例句] 阳性孕检结果很快证实了她的直觉。 A positive pregnancy test soon confirmed her intuitive feelings.

linearity，rectilinearity ；

[例句] 在日常生活中我们运用这一特点来解释直线性. In everyday life we use this property to define straightness.

[例句] 众所周知苏菲神秘的知识和扩展传播不是直线性的(不是一帆风顺的). It has been hown the knowledge and the expansion of the mystical orders were not linear.

always，all the way，all the time，all through；

[例句] 社区广播电台和商业广播电台一直是有区别的。 There has always been a difference between community radio and commercial radio.

[例句] 约翰逊医生和我一直试图增强他的体质。 Dr. Johnson and I have been trying to build him up physically.

frank，straightforward，candid，outspoken ；

[例句] 活泼爽直的哈特福德姑娘马上修正他的主张. The saucy little girl from Hartford promptly corrected his idea.

[例句] 她爽直快活, 就是有些孤僻. She is smart and jolly, but she just doesn't belong.

frank，candid，straightforward，candor，candour ；

[例句] 马克非常直率而严肃地说：“你是个懦夫。” "You're a coward," Mark said very plainly and soberly.

[例句] 她的直率让他窃笑。 He chuckled at her forthrightness.

straightforward，unreserved，blunt，frank，baldness ；

[例句] 这番率直的话让理查德不由自主地大笑起来。 The blunt comment made Richard laugh in spite of himself.

[例句] 韦德是个精力充沛、率直、运动型的人。 Wade was a hearty, bluff, athletic sort of guy.

rectitude，perfectly straight，straight as a ramrod，bolt upright，directness ；

[例句] 她长腿细臀，身姿笔直。 Her legs were long and fine, her hips slender, her carriage erect.

[例句] 服务员笔直站立着，餐巾折叠着放在他们的手臂上。 The waiters stood to attention with napkins folded over their arms.

upright and outspoken ；

[例句] 在青年时候, 他的刚直还近于狂妄. At youth time, his rigidity was really extremely arrogant.

[例句] 有人说: “ 申枨是个个性刚直的人. ” Somebody said,'shen Cheng is a man of absolute uprightness. "

[医] tetanus，tetania，tetany，rigidity ；

[例句] 诱发性药物引起的广泛的肌肉强直使肌肉产热增加. The inducing agent causes widespread muscular rigidity and enhances heat production by muscle.

[例句] limp专用以指单腿受伤或强直. Limp is used especially when only one leg is damaged or stiff.

align，aline，straighten，alignment ；

[例句] 轴的校直量与敲打次数通常成正比. Volume - axis alignment with the beat frequency is usually in direct proportion.

[例句] 注意最初敲打时, 轴校直较快, 以后较慢. Note the initial beating, the axis alignment faster, slower after.