1
do a triathlon
She plans to do a triathlon next summer.
她计划明年夏天参加一次铁人三项赛。
铁人三项
先理解核心含义，再看它在真实句子里的用法。
铁人三项
An athletics event in which competitors swim, cycle, and run in turn.
She plans to do a triathlon next summer.
她计划明年夏天参加一次铁人三项赛。
依次进行游泳、自行车和跑步的田径比赛。
An athletics event in which contestants compete in swimming, cycling and running in turn.
一般指由三项运动组合而成的体育赛事。
Generally, a sports event in which contestant compete in a combination of three sports.
She has been training for a triathlon all summer.
她整个夏天都在为铁人三项训练。
The city hosts an annual triathlon in the park.
这座城市每年在公园里举办一次铁人三项赛。
He finished his first triathlon in under three hours.
他在三小时内完成了自己的第一次铁人三项赛。
She plans to do a triathlon next summer.
她计划明年夏天参加一次铁人三项赛。
He has competed in several triathlons this year.
他今年参加了多次铁人三项比赛。
They are training for a triathlon together.
他们一起为铁人三项赛训练。
She won her first triathlon last weekend.
她上周末赢得了她的第一次铁人三项赛。
Not this
He is a triathlon.
Use this
He is a triathlete.
Triathlon 是运动项目名称，不是指运动员。指运动员应使用 triathlete。
Not this
He finished triathlon in first place.
Use this
He finished the triathlon in first place.
可数名词 triathlon 前需要冠词或限定词，如 the 或 a，表示特指或泛指。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
参加铁人三项比赛
She plans to do her first triathlon next summer.
她计划明年夏天参加她的第一次铁人三项比赛。
完成铁人三项比赛
He was exhausted but managed to finish the triathlon.
他筋疲力尽，但设法完成了铁人三项比赛。
为铁人三项训练
She trains for a triathlon every morning before work.
她每天早上上班前为铁人三项进行训练。
铁人三项赛事
The triathlon event drew competitors from around the world.
这项铁人三项赛事吸引了来自世界各地的选手。
铁人三项距离
The Olympic triathlon distance is 51.5 kilometers.
奥运会铁人三项距离为51.5公里。
Use triathlon naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
tri-表示三，athlon联想athlete（运动员）：游泳、骑车、跑步三项连赛，记住‘铁人三项’。
语域：neutral 常见场景：体育新闻、赛事简介、日常运动话题 该词多用于体育新闻报道、赛事介绍或日常谈论运动健身时，属于中性的普通用词，没有明显的正式或口语偏向。
biathlon、decathlon、heptathlon、pentathlon 的重读元音及之后的音都读 /æθlən/，因此与 triathlon 押韵；marathon 拼写相近，但读作 /ˈmærəθən/，并不押韵。
Dictionary facts from ECDICT, WIKTIONARY.