tracer

曳光弾

発射されると、燃える光の筋を後ろに残す弾丸。

やさしい英語で： A bullet that leaves a visible burning line behind it when fired.

• A tracer lit up the sky.
• The soldiers fired tracers across the field.
• Each tracer showed the gunner where the bullets were going.

類義語： tracer bullet, tracer round

よく使う表現： tracer round, tracer ammunition, fire a tracer

追跡者、トレース作業者

手がかりや動きを追う人、または絵の線をなぞって写す人。

やさしい英語で： Someone who follows clues, tracks movements, or copies the lines of a drawing.

• The tracer found his new address.
• A skilled tracer copied the map's outlines.
• The company hired tracers to locate people who owed money.

使い方： tracer of someone/something (She works as a tracer of missing relatives.)

よく使う表現： debt tracer, professional tracer, tracer of something

追跡、追跡調査

物の動きをたどったり、行き先を調べたりすること。

やさしい英語で： The process of following something's movements or investigating where it has gone.

• The tracer is still in progress.
• A tracer on the missing shipment revealed a wrong address.
• The company completed its tracer after checking every delivery record.

使い方： tracer on something (The office began a tracer on the missing parcel.)

類義語： tracking, investigation

よく使う表現： tracer on something, conduct a tracer

追跡依頼、調査依頼

人や、行方不明の荷物などがどこへ行ったか調べてほしいという依頼。

やさしい英語で： A request to find out where a person or object, such as a missing package, has gone.

• Please send a tracer for my package.
• The carrier received three tracers for missing shipments.
• Have you filed a tracer with the delivery company?

使い方： tracer for someone/something (We filed a tracer for the missing parcel.)

類義語： tracing request

よく使う表現： send a tracer, file a tracer, tracer for something