tiny grains produced by flowers that carry male reproductive cells
花粉, 花粉粒
春季过敏通常由花粉引起。
to damage the environment by releasing harmful chemicals or substances to the air, water, or land
污染, 弄脏
油轮的石油泄漏污染了海洋，直到采取了预防措施。
extremely large in size or extent
巨大的, 庞大的
巨大的大象优雅地穿过草原，它那巨大的象牙在阳光下闪闪发光。
displaying courage and determination in challenging situations
勇敢的, 坚定的
小说以一个永不放弃的坚韧主人公为特色。
to secretly enter an organization or group with the aim of spying on its members or gathering information
渗透, 秘密进入
记者设法潜入私人活动，为故事收集独家细节。
the ability to affect people or events, particularly through prestige, status, or authority
影响, 影响力
an assortment of short literary works, such as poems, essays, ballads, and stories, compiled into a single volume
文集, 选集
她的笔记本是素描、诗句和反思的个人杂集。
enjoying causing trouble or playfully misbehaving, often in a harmless way
调皮的, 淘气的
她调皮的笑容表明她有了一些有趣的计划。
deserving strong criticism or punishment because it is morally wrong or unacceptable
应受谴责的, 可指责的
公司对工人的应受谴责的待遇引发了抗议。
to produce a loud, high-pitched sound, often due to fear, surprise, or excitement
尖叫, 大声叫喊
当过山车加速时，孩子们兴奋地尖叫起来。
occurring from time to time, in an irregular manner
零星的, 偶尔的
该地区报告了零星的暴力事件。
a legal document stating how a person's property should be distributed after death
遗嘱, 遗书
