touch off
短语触发, 使炸裂, 激起, 勾划出
发音
AU
词形变化
touched off
touches off
三单
touches off
touching off
touching off
现在分词
touched off
过去式
touched off
过去分词
释义与例句
v.
-
1.
To start (something); to set off traps; especially used for unstable situations that may magnify if disturbed.
习语 及物Be cautious talking about religion or politics, lest you touch off an argument.
-
2.
To cause a fire to start.
习语 及物A spark touched off the conflagration.
-
3.
To establish a reference coordinate or datum, by moving the tool head to just touch the workpiece or machine bed.
工程A traditional method of touching off uses a piece of thin paper placed between the tool and workpiece.