He cut himself off from all human contact.

他断绝了与所有人的联系。

《牛津词典》

Please contact Li Tiemin, coach on take-off venue when you want to experience paragliding flight. The cost is 300RMB per person.

如欲体验滑翔伞飞行，请与起飞场地的教练李铁民联系。费用是每人300元。

youdao

Other benefits include equal elongation of warp and weft, minimum loss of tension after stretching and minimum off-contact.

其他的优势包括相同的伸长率、拉伸后最小的拉力损失以及最小的断开。

youdao

They made an early breakthrough with Maddock going over in the corner after an initial tap penalty from Michael Claasens, and some superb off-loading in contact by the visiting forwards created a gap for the winger to dive through.

BBC: Dragons 12-15 Bath

It may also examine the manoeuvre at the chicane itself, assessing whether Hamilton - who was half a car length behind Raikkonen at the time he veered off the track - could have avoided contact in another way.

BBC: McLaren discover date for appeal

In the most concentrated areas, he says, it could be compared to products you would clean your kitchen with, causing dry or cracked skin, or - in cases of prolonged contact - it can "lift off the top layer of your skin".

BBC: How toxic is Hungary's red sludge?