triggering factor
triggering event
triggering mechanism
highly triggering
A: What was the triggering cause of the error?
A：错误的诱因是什么？
B: The sudden drop in temperature was triggering the sensor.
B：气温骤降正在触动传感器。
1) 触发的
2) 引起情绪波动或创伤反应的
3) 引发某种行动的
1. 引起，引发，触发
present participle / adjective
1. Causing an event or a reaction to happen
Synonym: causing, provoking