n. 接触;触点;[医](传染病)接触人;门路;
vt. 使接触;与…联系;与…通讯(或通话);
vi. 联系,接触;
con共同+tact接触→共同接触 → 接触;联系
🗣️ 情景例句
What's up?
有什么事?
He's behind the times.
他跟不上时代了。
Officials used to have trouble with the foreign names of people passing through Ellis Island, and because they were so busy, many people's names got changed in the rush.