necking
n. 柱颈；柱头；搂脖子接吻
v. 变细；使变窄（neck 的现在分词）
例句
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。
To compensate for annealed wire diameter necking problem.
为了补偿退火线径变细的问题。
