Her expression of gratitude was simple and touching.

她把感激表达得简单而动。

He gave a touching valediction at graduation.

他在毕业典礼上发表了动告别辞。

She showed a touching faith in my ability to resolve any and every difficulty.

她相信我有能力解决任何困难，感动。

There was a touching air of innocence about the boy.

个男孩有一种感动天真神情。

The wires must be insulated from touching each other, with a rubber covering.

些金属线一定要用橡胶皮包起来, 以免相互触。

It was a touching sight.

是一幅动景象。

Take 10 golden triangles, arrange them with their sharp points touching, and you have a golden decagon, fitting perfectly within the iris of the eye, vertices neatly touching the rim.

画10个金三角，把它们顶点挨着排好，然后你就得出一个金十边形，与瞳孔中虹膜完美地一致，十边形最早点正好在眼眶。