They have, and bring with them, that upper-body strength. They have apparently developed that in their childhood and growing up, and they've further advanced in that regard.
📚 名句词汇解析
从本句名言中提取的重要词汇，帮助你深度理解这句话
n. 力量;优点，长处;（光、声、色等的）力度;人力[数];
💡 streng=strong强壮的+th抽象名词 →力量
"Colours like red convey a sense of energy and strength."
红色之类的颜色可给人以充满活力与力量的感觉。
近义：heart, impetuosity, impetus, impulsiveness, ardour, mastery
反义：puniness, weakening, weariness, exinanition, debility, destructibility
n. 童年，儿童时代;早期;
💡 child孩子+hood表名词，“时期，性质等” →童年
"I always associate the smell of baking with my childhood."
一闻到烘烤食物的味道我就想起了童年。
近义：infancy, babyhood, boyhood, girlhood
反义：senescence, senility, agedness, dotage, eldership, ancientness
adj. 更远的，较远的;更进一步的，深一层的;更多的;
adv. 进一步地;更远地;而且;
vt. 促进，推动;增进;
💡 furth=forth向前，向前方+er比较级 → 更前面的→ 更远的
"Not wishing to antagonize her further, he said no more."
他不愿惹她更生气，便不再说话。
近义：patronize, promote, prompt, propitiate, subserve, urge
adj. 先进的;高等的，高深的;年老的;晚期的;
v. 前进(advance的过去式和过去分词);增加;上涨;
💡 advanc前进+ed...的→ 先进的，高级的
"There were only three of us on the advanced course."
只有我们三人学高级课程。
近义：progressive, civilized, developed, forward, anticipated, late
反义：posterior, subsequent, succeeding, ulterior, farther, following
vt. 带来，引来;促使，引起;提供;导致;
💡 白(b)戒指(ring) 带来了
"He beckoned to the waiter to bring the bill."
他招手示意服务生把账单送过来。
近义：get
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
💡 理解为up的名词形式
"the upper slopes of the mountain"
靠近山顶的斜坡
近义：higher, above, paramount, superior, top, topmost