Of or relating to a point at which a curve has a maximum, minimum, or point of inflection.
临界的属于或关系到曲线最大、最小或回折点的一个点的
Double back
循原路折回，往回跑
Inflection Point
拐点，弯曲点，转折点
The turning point in a plot or dramatic action.
转折点阴谋或戏剧化动作的转折点
sales returns and allowance journal
销货退回及折让日记帐
lowance journal
进货退回及折让日记帐
She went back to get her handbag.
她折回来拿手提包。
labyrinth gland
迂回[曲折, 迷宫式]密封盖
The troops moved in zigzags and by roundabout ways.
队伍迂回曲折, 绕道前进。
The bartender came back.
酒店伙计折回来了。
That fellow bobs up like a cork.
(喻)那个人百折不回。
There was no room for that, for there was exactly the very print of a foot, toes, heel and every part of a foot.
完全不是那么回事，因为一点也不错，不折不扣是一个人的脚印，脚趾头，脚后跟，样样俱全。
The shift in use is one we'll look back on in 10 years and mark as a real turning point in the industry.
这项用途的转移将让我们今后十年中不断回顾并标志着一个产业的真正转折点。
The victory of the Royal Air Force on September 15 is seen now in retrospect to have marked its decisive turningpoint.
现在回忆往事可以看出，皇家空军9月15日的胜利标志着决定性的转折点。
Turn up that skirt and make a fresh hem.
把裙子折一点起来缝一条新的折边。
He turned back from the crossroad and went home.
他从十字路口折了回来，回家去了。
(especially of incident sound or light) bent or sent back.
（尤指附带的声音和光线）折回或返回。
And he therefore turned round and retraced his steps.
所以他又折回去，往回追踪自己的足迹。