become a welterweight
这里 welterweight 指处于该体重级别的拳击手或摔跤手。
After years of training, he finally became a welterweight.
经过多年训练，他终于成了一名次中量级选手。
次中量级拳击手
welterweights — plural of welterweight
次中量级摔跤运动员；（赛马让赛中的）28磅负重；次中量级摔交运动员
an amateur boxer who weighs no more than 148 pounds
次中量级拳击手；次中量级摔交运动员
n. a weight of 28 pounds; sometimes imposed as a handicap in a horse race (such as a steeplechase)；n. an amateur boxer who weighs no more than 148 pounds；n. a wrestler who weighs 154-172 pounds
The welterweight stepped onto the scales for the official weigh-in.
这位次中量级拳击手走上体重秤进行官方称重。
用法提示：welterweight 是名词，指次中量级拳击手，在句中作主语。
After two years of training, she finally entered the competition as a welterweight.
经过两年训练，她终于以次中量级选手的身份参加比赛。
用法提示：welterweight 作名词，表示次中量级运动员，在句中作介词 as 的宾语。
The welterweights were among the first to be called for their matches that evening.
这些次中量级选手是当晚最先被叫去参加比赛的一批人。
用法提示：welterweights 是复数名词，指次中量级选手，在句中作主语。
这里 welterweight 指处于该体重级别的拳击手或摔跤手。
After years of training, he finally became a welterweight.
经过多年训练，他终于成了一名次中量级选手。
as a welterweight 说明选手参赛的体重级别。
She will compete as a welterweight in the national championships.
她将以次中量级选手的身份参加全国锦标赛。
welterweight 可作定语修饰 title、division 等词，表示“次中量级的”。
The welterweight title will be decided in tonight's main event.
今晚的主赛将决出次中量级冠军头衔。
grammar · medium
易错句子He is welterweight and won the title.
正确表达He is a welterweight and won the title.
welterweight 是可数名词，指‘次中量级选手’，单数形式前必须加冠词 a/an；中文‘他是次中量级选手’没有冠词，受中文影响容易漏掉。
grammar · medium
易错句子They are welterweight from two different countries.
正确表达They are welterweights from two different countries.
welterweight 是可数名词，复数意义要用复数形式 welterweights；中文名词没有复数变化，学习者容易漏掉 -s。
welterweight（次中量级）比 middleweight（中量级）低一级；职业拳击中 welterweight 上限约 147 磅（66.7 公斤），middleweight 上限约 160 磅（72.6 公斤），不要因中文都有“量级”而混淆。
welterweight（次中量级）比 lightweight（轻量级）重一级；拳击中 lightweight 职业上限约 135 磅（61.2 公斤），welterweight 约 147 磅（66.7 公斤），选词时看具体体重级别而不是字面上的“轻/次”。
次中量级冠军
The welterweight champion defended his title last night.
这位次中量级冠军昨晚卫冕成功。
次中量级级别
He moved up to the welterweight division after a successful career at lightweight.
他在轻量级取得出色成绩后升入了次中量级。
次中量级冠军头衔
The two fighters will compete for the welterweight title.
这两位拳手将争夺次中量级冠军头衔。
次中量级比赛
The welterweight bout ended in a knockout in the third round.
这场次中量级比赛在第三回合以击倒结束。
次中量级拳击手
As a welterweight boxer, he relies on speed and endurance.
作为次中量级拳击手，他依靠速度和耐力。
combining form
root
次中量级常见于拳击比赛的重量级别分类中。
次中量级也是摔跤运动的重量级别之一。
次中量级是众多重量级别中的一种，用于划分选手。
羽量级是比次中量级更轻的体重级别，同属竞技体育分类。
重量级是比次中量级更重的体重级别，常在同一赛事中出现。
Dictionary facts from ECDICT, WIKTIONARY.