"they kept in daily contact"
"they claimed that they had been in contact with extraterrestrial beings"
"her fingers came in contact with the light switch"
"litmus paper turns red on contact with an acid"
"contact with the pier scraped paint from the hull"
"he used his business contacts to get an introduction to the governor"
"he provided a liaison with the guerrillas"
"they forget to solder the contacts"
"the pilot made contact with the base"
"he got in touch with his colleagues"
"Our advertisements reach millions"
"He never contacted his children after he emigrated to Australia"
"The two buildings touch"
"Their hands touched"
"The wire must not contact the metal cover"
"The surfaces contact at this point"
contactor n. 电流接触器;触点;
disconnected contact 空间接点;
key contact 主要接触;
contact panel 接点板;
contact metamorphism 接触变质作用;
contact clip 接触夹，接线柱;
button contact 按钮接点;
contact screen 接触网片;
elastic contact 弹性接触;
contact distillation 接触蒸馏;
lower contact 下（部电）接头;
contact cleaner 接点清洁器;
interproximal contact proximate contact [医]邻面接触;
engaging contact 进啮;
discordant contact 不整合接触;
contact compliance 触点柔度，触点顺从度;
making contact 闭合接点;
adjustable contact 可调接点;
back contact 后触点，静合接点;静合触点;
contact stomatitis 接触性毒性口炎;
contact aerator 接触式曝气池;
contact printer 接触（式）印片机;
double contact 双接点，双触点;