migration
[maɪ`greʃən]
n. (動物)遷徙;(人)移居、遷移
例句

Scientists are studying how climate change affects the migration patterns of many bird species.

科學家正在研究氣候變化如何影響許多鳥類的遷徙模式。

補充
migrate [`maɪ͵gret] v.(動物)遷徙
memorable
[`mɛmrəbəl]
adj. 難忘的;值得紀念的
例句

The day she turned 15 was the most memorable birthday Kathleen ever had.

凱薩琳十五歲生日那天是她至今最難忘的生日。

phenomenon
[fɪ`nɑmə͵nɑn]
n. 現象;非凡的人事物
例句

Climate change is a global phenomenon that is affecting people all around the world.

氣候變遷是一種正在影響世界各地人們的全球性現象。

補充
現象(複數形為 phenomena [fɪ`nɑmənə])
非凡的人事物(複數形為 phenomenons)
roughly
[`rʌfli]
adv. 大致地;近似地;粗略地
例句

It is expected that the repairs to the bridge will take roughly two weeks to finish.

預計這座橋梁的維修工程大約需要兩週才能完成。

loop
[lup]
v. 繞圓圈、打環
n. 迴圈、圓圈;環形
例句

The trail loops around the lake and through the forest before returning to the park entrance.

這條步道環繞著湖泊、穿過森林,最後回到公園入口。

herd
[hɝd]
n. 獸群;畜群
例句

As we drove through the valley, we found a herd of sheep blocking the narrow mountain road.

當我們開車經過山谷時,發現一群羊擋住了狹窄的山路。

remarkable
[rɪ`mɑrkəbəl]
adj. 非凡的、不同尋常的;引人注目的
例句

Margot stared at the painting for 20 minutes, amazed by its remarkable attention to detail.

瑪格盯著這幅畫看了二十分鐘,驚嘆於其對細節的非凡關注。

consequence
[`kɑnsə͵kwɛns]
n.(尤指負面的)結果、後果
例句

Isiah knows he made a mistake and will have to face the consequences.

以賽亞知道自己犯了錯,將必須承擔後果。

demand
[dɪ`mænd]
n. 需求、要求
v. 堅決請求、要求
例句

The demand for electric cars has significantly increased in recent years.

近年來,對電動汽車的需求顯著增加。

delicate
[`dɛlɪkət]
adj. 脆弱的、易受損害的
例句

The delicate balance of the rainforest is at risk because people keep cutting down trees.

雨林脆弱的平衡正因人們持續砍伐樹木而受到威脅。

shortage
[`ʃɔrtɪdʒ]
n. 短缺;缺乏
例句

A water shortage last summer forced the residents of the town to limit their usage.

去年夏季缺水的情況迫使鎮上居民限制用水量。

drought
[draᴜt]
n. 乾旱、旱災
例句

The drought lasted almost three years, and the farmers in the region suffered terribly from it.

這場乾旱持續了將近三年,該地區的農民因此遭受了嚴重的苦難。

crucial
[`kruʃəl]
adj. 極其重要的、關鍵的
例句

To avoid injury, it's crucial to follow the safety rules at all times.

為了避免受傷,隨時遵守安全規則極其重要。