derive
[dɪ`raɪv]
v. 來自、起源於;從……中獲得
例句

Many of the author's stories derive from popular folk tales.

這位作家的許多故事都源自於流行的民間故事。

用法
derive from sth、be derived from sth
tendency
[`tɛndənsi]
n. (思想、行為等的)傾向;趨勢
例句

The economist discussed the tendency of wealth to collect in the hands of a few.

經濟學家討論了財富集中在少數人手中的趨勢。

用法
tendency to V.
tendency toward(s) N./V-ing
physicist
[`fɪzəsɪst]
n. 物理學家
例句

Peter's daughter studied hard to become a physicist.

彼得的女兒努力唸書要成為物理學家。

extraordinarily
[ɪk͵strɔrdə`nɛrəli]
adv. 極其;非常
例句

Harry came up with an extraordinarily simple solution to the problem.

哈利想出了一個非常簡單的方法來解決這個問題。

retain
[rɪ`ten]
v. 保留;記住
例句

I haven't retained much of what I learned in college.

我沒記得多少在大學學到的知識。

vastly
[`væstli]
adv. 很大程度地、極大地;非常
例句

Working fewer hours would vastly improve Evan's quality of life.

工作時數減少將大幅改善伊凡的生活品質。

disadvantage
[͵dɪsəd`væntɪdʒ]
n. 不利因素、條件;劣勢
例句

There are several significant disadvantages to the plan you proposed.

你提出的計畫有好幾個顯著的不利因素。