concern
[kən`sɝn]
n. 擔憂的事物
例句

The rising cost of living is our major concern.

生活成本攀升是我們主要擔憂的事情。

billion
[`bɪljən]
n. 十億
例句

There are over eight billion people in the world.

世界上有超過八十億人口。

brain
[bren]
n. 大腦
例句

The left side of the brain controls our ability to read, write, and do math.

大腦的左半邊掌控我們讀寫和算術的能力。

cause
[kɔz]
v. 導致;造成
例句

Stress caused all of Oscar's hair to fall out.

壓力導致 Oscar 全部的頭髮都掉光了。

degree
[dɪ`gri]
n. 程度
例句

The degree of difficulty increases with each level.

難度會隨著每個等級增加。

measure
[`mɛʒɚ]
n. 方法;措施
例句

Families took measures to protect their homes during the typhoon.

颱風期間,家家戶戶都採取措施來保護家園。

maximum
[`mæksəməm]
adj. 最大值的
例句

The elevator can hold a maximum weight of 5,000 pounds.

這部電梯的最大載重量為五千磅。

limit
[`lɪmɪt]
v. 限制
例句

Debbie limits her son's video game time to an hour a day.

Debbie 限制她兒子的電玩時間為一天一小時。

decrease
[dɪ`kris]
v. 降低;減少
例句

For many of us, our memory decreases with age.

對我們許多人來說,記憶力會隨著年齡增長而下降。

speaker
[`spikɚ]
n. 喇叭;揚聲器
例句

The speakers on my computer aren't very good.

我電腦的喇叭品質不是太好。

crowd
[kraᴜd]
n. 人群;群眾
例句

Edward stays home on weekends to avoid the crowds.

Edward 週末會待在家裡,以避開人潮。

repeat
[rɪ`pit]
v. 複述;重複
例句

I remember people's names by repeating them in my head.

我會在腦海裡重複默唸以記住人名。