1.erratic a．反复无常的；古怪的(irregular; uneven)

例：The solar day cycle makes this behavior somewhat more erratic.

2.eruption n．爆发，喷发c an act, process, or instance of erupting)

词根记忆：来自erupt(v.爆发，喷出)

例：An unusually severe winter occurred in Europe after the continent was blanketed by a blue haze resulting from the eruption of the Laki Volcano in the European republic of Iceland in the summer of 1984.

同根词：interruption(n.中断;干扰)

3.escalate v.（使）迅速增加(to increase in extent, volume or number)

例：An assassination attempt escalated the tension between the two countries.

4.eschew v.避开(to escape, to shun)

例：Bill eschewed the rude behavior of his older brother.

5.essence n.本质：精华(the most significant element, quality or aspect of a thing or person)

词根记忆：ess(存在)+ence--存在的根本--本质

例：Native Americans recognized that the essence of their life could not be communicated in English.

派生词:essential(a．本质的；重要的)

6.estate n.财产，地产(possessions, property)遗产(heritage)

例：real e,state房地产//The man who died left an estate valued at $111,000.

7.esteem v./n.尊重，尊敬(to regard highly)

例：What we obtain too cheap we esteem too lightly.

8.estimate v./n.估计，评价(to appraise)

例：The population of India will probably have what is estimated as l.6 billion people by 2050.

派生词:estimation(n.估计，评价)

9.et al （拉丁文et alibi的缩写）以及其他人，等人(and others)

例：Snyder et al suggest that this is not a major stumbling block to their hypothesis.

10.etched a．（金属）被（酸）蚀刻的(being cut into the surface by the action of acid)

例：The etchedlines on computer memory chips have become infinite and thinner.