I saw them necking in the park.

我看见他们在公园里拥吻。

The two of them were necking on a park bench.

他们俩在公园的长凳上拥抱亲吻。

Molly is necking with Ted and thinking of Ken.

莫莉和泰德亲热的时候还想着肯。

It's not a good idea to be necking in public.

在公共场所亲热不是好主意。

To compensate for annealed wire diameter necking problem.

为了补偿退火线径变细的问题。