每天背單詞 第269期

bona

英 ['b?un?] 美 ['bon?]

n. （Bona）（意、美、巴、匈、法、西、加）博納（人名）

例句：

Is it a bona fide, reputable organization?
這是不是個合法的、值得信賴的機(jī)構(gòu)？

We are happy to donate to bona fide charitable causes.
我們很樂意向真正的慈善事業(yè)捐贈。

Mr. Perks questioned them at length to establish their bona fides.
珀克斯先生詳細(xì)地詢問他們以確定其誠意。

descent

英 [d??sent] 美 [d??sent]

n. 下降；血統(tǒng)；襲擊

vt. 除去…的氣味；使…失去香味

例句：

All the contributors were of African descent.
所有捐助者都是非洲血統(tǒng)。

Britain has always been the principal source—ninety percent of Australians are of British descent, and Britain has provided one million migrants since the Second World War.
英國一直是澳大利亞移民的主要來源國——90%的澳大利亞人是英國后裔，自二戰(zhàn)以來，英國已經(jīng)提供了100萬移民。

There is a gradual descent to the sea.
有一片斜坡緩緩伸延到海邊。

ponder

英 [?p?nd?(r)] 美 [?pɑ?nd?r]

vt. 仔細(xì)考慮；衡量

vi. 考慮；沉思

n. (Ponder)人名；(英)龐德

例句：

Cube Sat researchers suggest that now's the time to ponder unexpected and unintended possible consequences of more people than ever having access to their own small slice of space.
Cube Sat 公司的研究人員表示，現(xiàn)在是時候考慮一下越來越多的人進(jìn)入自己的狹小空間而可能產(chǎn)生的意想不到的后果了。

They were left to ponder on the implications of the announcement.
他們被留下來琢磨這項宣告的含義。

I'll leave you to ponder that one.
關(guān)于這點，我就留給你去認(rèn)真思考吧。

exclusively

英 [?k?sklu?s?vli] 美 [?k?sklu?s?vli]

adv. 唯一地，專有地，排外地；作為唯一的（消息）來源

例句：

Today he was able to focus his message exclusively on the economy.
今天他能夠?qū)⒅攸c聚焦在經(jīng)濟(jì)方面。

He paints from a palette consisting almost exclusively of grey and mud brown.
他畫畫幾乎只用包含灰色和土褐色的色調(diào)。

Randolph's work was exclusively concerned with the effects of pollution on health.
倫道夫的作品全部講的是污染對健康的影響。

suppression

英 [s??pre?n] 美 [s??pre?n]

n. 抑制；鎮(zhèn)壓；[植] 壓抑

例句：

A mother's suppression of her own feelings can cause problems.
一位母親對她自己情感的壓抑可能會導(dǎo)致問題。

Eye problems can indicate an unhealthy lifestyle with subsequent suppression of the immune system.
眼睛問題表明一種不健康的生活方式以及隨后免疫系統(tǒng)所受的抑制。

This genetically determined resting stage, characterized by the cessation of development and protein synthesis and suppression of the metabolic rate, is called diapause.
這種由遺傳決定的休眠期被稱為滯育，其特征是發(fā)育和蛋白質(zhì)合成的停止以及代謝率的抑制。

回顧

1. bona
2. descent
3. ponder
4. exclusively
5. suppression