動詞 differentiate:

1. mark as different
   同義詞：distinguish, separate, secern, secernate, severalize, severalise, tell, tell apart
2. be a distinctive feature, attribute, or trait; sometimes in a very positive sense
   同義詞：distinguish, mark
3. calculate a derivative; take the derivative
4. become different during development
5. evolve so as to lead to a new species or develop in a way most suited to the environment
   同義詞：speciate, specialize, specialise
6. become distinct and acquire a different character

1. One character is not clearly differentiated from another.
   人物之間的區(qū)別沒有明顯刻劃出來。
2. The male's orange beak differentiates it from the female.
   那種鳥雄鳥的喙呈橙色，與雌鳥不同。
3. Can you differentiate one variety from the other?
   你能將這兩個品種區(qū)別開來嗎?
4. It is wrong to differentiate between people according to their family background.
   根據(jù)出身不同而區(qū)別待人是不對的。
5. Can you differentiate between the two varieties?
   你能辨別這兩個品種嗎?

dif.fer.en.ti.ate

v.（動詞）
dif.fer.en.ti.at.ed,dif.fer.en.ti.at.ing,dif.fer.en.ti.ates
v.tr.（及物動詞）
To constitute the distinction between:
區(qū)分：在兩事物間區(qū)分差別：
例句：
subspecies that are differentiated by the markings on their wings.
生物可通過它們翅膀上的標(biāo)記上區(qū)別

To perceive or show the difference in or between; discriminate.
識別：看出或指出事物間的差別；識別
To make different by alteration or modification.
使差異：通過變更或修改從而產(chǎn)生差別
Mathematics To calculate the derivative or differential of (a function).
【數(shù)學(xué)】 求…的微分：計算導(dǎo)數(shù)或（函數(shù)的）微分
v.intr.（不及物動詞）
To become distinct or specialized; acquire a different character.
變異：變得獨特、特殊；需要不同的特性
To make distinctions; discriminate.
區(qū)分出；辨別出
Biology To undergo a progressive, developmental change to a more specialized form or function. Used especially of embryonic cells or tissues.
【生物學(xué)】 分化：不斷發(fā)生進行的發(fā)展變化，從而結(jié)構(gòu)或機能更特殊。尤其指胚胎細(xì)胞或組織的發(fā)育

【引伸】
dif.feren.tia.tion
n.（名詞）