保持敞开：将门或窗户保持在打开的状态，不关闭。
暂停进行：延迟或暂停进行某项活动或进程。
... salve 药膏 hold open 开着 relieve 救济 ...
Hold open an XMLHttpRequest connection until a response is received.
保持打开XMLHttpRequest连接，直到收到响应。
There is a courtyard which can be used to hold open-air events on the right side.
出展示空间右转是一个空的庭院，可以用来举办露天的活动。
Hold the door open.
让门开着。
Both stents are used to hold open arteries after they have been unclogged using a balloon, a procedure known as angioplasty.
Stents are tiny metal mesh tubes designed to hold open clogged arteries, and they have revolutionized cardiac treatment within the last decade.
Another benefit: The doors can improve the efficiency of trains because they make it more difficult for passengers to hold open train doors.
WSJ: Subway-Push Prevention Solution Would Be Very Costly for the MTA