| 释义 |
trace1 /trās/ noun- An indication, mark of what is or has been
- A vestige
- A small quantity that can just be detected
- A track
- A footprint
- A beaten path (US)
- A tracing
- A line marked by a recording instrument
- A line or lines on the screen of a cathode-ray tube forming the display
- A way of checking the logic of a program by causing the variables, etc to be printed out during execution (computing)
- A mental or neural change caused by learning
- An amount of rain- or snowfall that is too small to be measured
- An intersection with or projection on a surface
- A way, course (Spenser)
- The ground-plan of a work (fortification)
transitive verb- To track
- To follow step by step
- To detect
- To discover the whereabouts of
- To follow or mark the outline of (eg a design), esp mechanically or on a translucent paper
- To outline, delineate, plan or write
- To follow to its origins or source (usu with back)
- To produce as tracery
- To cover with tracery
- To take one's way along or through (eg a path), traverse
intransitive verb- To be traceable or datable (usu with back)
- To proceed (archaic)
- To walk (archaic)
- To move (archaic)
- To tread a measure (obsolete)
ORIGIN: Fr trace, from L tractus, pap of trahere to draw traceabilˈity noun traceˈable adjective That may be traced traceˈableness noun traceˈably adverb traceˈless adjective traceˈlessly adverb trāˈcer noun - A person who traces
- An instrument for tracing
- A probe for tracing a nerve, etc
- A device by which a projectile leaves a detectable trail, usu of smoke
- A projectile equipped with this
- (also tracer element) a radioactive isotope introduced into the body to study physiological, etc processes by tracking the radiation it produces
trāˈceried adjective trāˈcery noun - An ornamental, fine, decorative pattern
- Ornamental openwork in Gothic architecture, esp in the upper part of windows
trāˈcing noun - The act of someone who traces
- A drawing copied mechanically or on translucent paper laid over the original
- An instrumental record
trace element noun A micronutrient, a substance (such as zinc, copper, molybdenum, etc) whose presence in the soil or food in minute quantities is necessary for plant and animal growth trace fossil noun The fossilized tracks, burrows, etc of an organism (but not the organism itself) tracer bullet noun tracer shell noun tracing paper noun Translucent paper for tracing on |