The process of disarmament is at a crucial turning point.

裁军正处在一个关键。

His induction as a teacher was a turning point in his life.

他就任教师工作是他一生。

There's an unusual twist to the plot at the end of the book.

在这本书末尾, 情节发生了不寻常。

Our marriage was at a watershed.

我们婚姻到了一个关头。

Note the abrupt transition (arrows) from urothelium to intestinal-type epithelium in this example of intestinal metaplasia seen in a bladder biopsy.

这是一例膀胱活检标本，箭头所处为膀胱上皮突然变为肠上皮。

Quiet redirection subsequently issues from the bassoons, which take up the wandering piano-theme, while the piano itself goes over into a pp semiquaver accompaniment.

低音管接着发出安静信号，带出了漫游式钢琴主题。同时钢琴变为最弱音十六分音符。

Automobile body's line, what walks is the current paranitroaniline red streamline form design, from beginning to end the unified whole, does not have the obvious stiff transition.

车身线条，走是当前正红流线型设计，从头到尾浑然一体，没有明显生硬。

But for benzene, when treated with SDM-A there was a turning point in its adsorption isotherm, which corresponding to the dividing point between monomolecular and multimolecular layer adsorption.

在用SDM-A处理苯吸附时，出现线形吸附等温线，线正好是单分子层吸附与多分子层吸附分界。