Importance and Essentiality

关键的, 决定性的

The research findings were pivotal in shaping the scientific community's understanding of the newly discovered phenomenon.

研究结果在塑造科学界对新发现现象的理解方面起到了关键作用。

沉重的, 重的

The weighty dumbbells strained his arms during the workout.

沉重的哑铃在锻炼时使他的手臂感到紧张。

严肃的, 庄重的

Her grave expression conveyed the seriousness of the situation, leaving everyone in the room silent.

她严肃的表情传达了情况的严重性，让房间里的每个人都沉默了。

中心的, 主要的

The focal event of the conference was the keynote speech by the renowned expert.

会议的焦点活动是著名专家的主题演讲。

She traced her lineage back to an ancient ascendant who founded the village.

重大的, 具有重大意义的

As the world stood witness to the historic event, the momentous peace agreement was signed, signaling a new era of cooperation and stability in the region.

当世界见证这一历史性事件时，重大的和平协议被签署，标志着该地区合作与稳定的新时代。

卓越的, 杰出的

As a preeminent scholar in the field, Professor Smith has made groundbreaking contributions to quantum physics.

作为该领域的杰出学者，史密斯教授为量子物理学做出了开创性的贡献。

精液的, 与精液有关的

During the medical exam, a sample of the man's seminal fluid was collected and analyzed to assess sperm quality.

在体检期间，收集了该男子的精液样本并进行了分析以评估精子质量。

红衣凤头鸟, 红鸟

The male cardinal sang loudly from a branch near the feeder.

雄性主红雀从喂食器附近的树枝上大声鸣叫。

微不足道的, 琐碎的

The argument stemmed from a petty disagreement over office supplies.

这场争论源于对办公用品的琐碎分歧。

微不足道的, 琐碎的

The argument over the color of the office walls seemed piffling compared to the larger issues facing the company.

与公司面临的更大问题相比，关于办公室墙壁颜色的争论似乎微不足道。

微不足道的, 琐碎的

The piddling amount of loose change in his pocket was not enough to cover the cost of the coffee.

他口袋里那微不足道的零钱不足以支付咖啡的费用。

外围的, 边缘的

The peripheral vision allows us to detect movement on the sides without directly looking at it.

周边视觉使我们能够在不直接看的情况下检测侧面的运动。

多余的, 不必要的

The lengthy introduction was filled with superfluous details, delaying the main point of the presentation.

冗长的介绍充满了多余的细节，延迟了演示的要点。

The manager delegated tasks to his subordinates.

微不足道的, 琐碎的

He wasted time arguing over picayune details instead of focusing on the main issue.

他把时间浪费在争论琐碎的细节上，而不是专注于主要问题。

无关的, 不必要的

The detective urged the witness to provide only relevant information and avoid including extraneous details that could confuse the investigation.

侦探敦促证人只提供相关信息，避免包括可能混淆调查的无关细节。

严重的, 紧急的

The humanitarian crisis in the region has reached dire proportions, requiring immediate international intervention.

该地区的人道主义危机已达到严峻的程度，需要立即进行国际干预。

不重要的, 无关的

In the grand scheme of the project, the temporary setback was deemed immaterial to the overall timeline.

在项目的宏伟计划中，暂时的挫折被认为对整体时间表无关紧要。

可牺牲的, 可替换的

In times of crisis, some argue that certain positions in the company are expendable.

在危机时期，有人认为公司中的某些职位是可牺牲的。

轻浮的, 肤浅的

His frivolous attitude towards his studies often landed him in trouble with his teachers.

他对学习的轻浮态度经常让他在老师那里惹上麻烦。