?连系

... 累积amass；accumulate；heap up；assemble 连系tact；get in touch with；contact with 排除这可能性rule out the possibility ...

?接触

be in contact with 和…接触着，和(某人)接近。 break contact断开电路。

?联系

... more or less 或多或少；差不多 show you the ropes 指点窍门 contact with 接触；联系 ...

?连络

... 累积amass；accumulate；heap up；assemble 连络tact；get in touch with；contact with 解除这有可能性rule out the possibility ...