differentiate
vt. 区分，区别
A botanist can differentiate varieties of plants.
植物学家能区分各种不同的植物。
despise
vt. 轻视，鄙视
As to you, I despise you.
至于你，我看不起你。
disable
vt. 使失去能力;使残废;使无资格
I will disable it again after the migration.
我将在迁移结束后再次禁用它。
dilemma
n. 困境;进退两难;两刀论法
This creates yet another dilemma.
这就造成了另一个困境。
discourage
vt. 阻止;使气馁
Low prices discourage industry.
低价格阻碍工业发展。
disperse
vt. 分散;使散开;传播
The police fired into the air in an attempt to disperse the crowd.
警察朝天开枪，企图驱散人群。
disaster
n. 灾难，灾祸;不幸
We must act now to forestall disaster.
我们现在必须采取行动以防灾难。
dirt
n. 污垢，泥土;灰尘，尘土;下流话
The windows were encrusted with dirt.
窗户上覆盖了一层灰尘。
descent
n. 下降;血统;袭击;vt. 除去…的气味;使…失去香味
The authors show how this was triggered by his belief in the common descent of all humans.
作者表明，这张图是如何由他的信仰引发出来的'，达尔文相信全人类属于共同的血统。
dispatch
vt. 派遣;分派
These handlers should always be deployed after the dispatch phase.
这些处理程序应该始终部署在调度阶段后。
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