ivory tower
n. 象牙塔
eg. The professor lives in an ivory tower and he doesn't pay much attention to current events.
这位教授生活在象牙塔中，不太关心时事。

enthusiastic
adj. 热情的；热心的
eg. Jim had an enthusiastic reception when he returned home.
吉姆回家时受到了热情的接待。

unscarred
adj. 无疤痕的
eg. Thus, except for tourist facilities, the parks' mountains and valleys were kept unscarred, the forests flourishing and the meadows lush with vegetation.
因此，除了一些游人服务设施外，公园中的山林谷地始终郁郁葱葱，林木茂盛，没有受到损害。

recipient
n. 接受者；容纳
eg. This is a blend of elements of the invading and recipient cultures.
这是入侵文化和接受文化两种成分的融合。

authoritative
adj. 有权威的，可信赖的
eg. Her voice was crisp and authoritative.
她的声音干脆利落，具有权威性。

extraordinary
adj. 非凡的，惊人的，显著的
eg. He had the appearance of an extraordinary fine gentleman.
他具有极上流的绅士的风采。

biophysics
n. 生物物理学
eg. One of the most exciting developments in modern times has been the birth of biophysics.
生物物理学的诞生，是当代最激动人心的成就之一。

ether
n. 天空；气象；【化】乙醚
eg. The hospital smelled of formaldehyde and ether.
医院里充满甲醛和乙醚的味道。

cyberspace
n. 网络空间
eg. It's easy to create a phony identity in cyberspace.
在信息网络世界很容易制作假身份 。