trace

微量、わずかな量

残っていたり、気づきにくかったりする、ごく少ない量。

やさしい英語で： A very small amount of something, often left behind or difficult to notice.

• There was a trace of milk left.
• Tests found traces of chemicals in the water.
• She answered with a trace of a smile.

使い方： a trace of something (There was a trace of blood on the floor.)

類義語： hint, touch, little bit

よく使う表現： trace of something, tiny trace, trace amounts

追跡、逆探知

物の出所や人の居場所を見つける手がかりとなる記録や経路。

やさしい英語で： A record or tracked path that helps find where something came from or where someone is.

• The trace led police to the caller.
• They requested a trace on the phone call.
• A computer trace revealed the message's source.

使い方： a trace on something (The police put a trace on the call.)

類義語： track, trail

よく使う表現： trace on something, phone trace, call trace

足跡、痕跡

人や動物がその場所を通ったことを示す跡。

やさしい英語で： A mark showing that a person or animal has passed through a place.

• The animal left a trace in the mud.
• Rain washed away every trace of their passage.
• Did you find any traces near the river?

使い方： trace of someone/something (We found a trace of the fox in the snow.)

類義語： track, mark

よく使う表現： leave a trace, trace of someone

記録波形、波形

心拍などの変化を記録する機械が描く線。

やさしい英語で： A line produced by a machine that records changes in something, such as a heartbeat.

• The trace shows a steady heartbeat.
• Two traces appeared on the monitor.
• The doctor examined the trace for unusual changes.

類義語： tracing, recording

よく使う表現： heart trace, electrical trace, trace on something

配線パターン

回路基板の上で電気を流す、細い金属の通り道。

やさしい英語で： A thin metal path that carries electricity across a circuit board.

• This trace carries the signal.
• A broken trace stopped the board from working.
• The designer made the power traces wider.

類義語： conductive track

よく使う表現： copper trace, circuit trace, trace width

追跡する、突き止める

情報を手がかりに、物の始まりや人・物の行き先を調べて見つける。

やさしい英語で： To use information to discover where something began or where someone or something went.

• Police traced the missing boy.
• We traced the smell to a broken pipe.
• Can you trace your family back three generations?

使い方： trace something back to something (We can trace the custom back to ancient Rome.); trace someone/something to somewhere (Police traced the car to a nearby town.)

類義語： track, track down

よく使う表現： trace something back, trace the source, trace someone to

描く

線や形を、軽い筆遣いで丁寧に描く。

やさしい英語で： To draw a line or shape gently and carefully.

• She traced a circle in the dust.
• He traced the outline with his finger.
• Trace a light line along the edge.

類義語： draw, sketch

よく使う表現： trace a line, trace a circle, trace an outline

なぞる、写し取る

絵の上に薄い紙を置き、透けて見える線をなぞって写す。

やさしい英語で： To copy a picture by drawing over its lines through a thin sheet of paper.

• Trace the picture onto thin paper.
• I traced the map for my project.
• The children are tracing simple shapes.

類義語： copy

よく使う表現： trace a picture, trace the outline, trace a map