oceanographer
n. 海洋學家

possession
n. 1. the act or state of possessing or being possessed 擁有；具有
2. (often pl.) personal property ［常復數］所有物；

keen
a. 1. good, strong, quick at understanding 敏銳的
2. (on, to) eager or anxious to do sth. 熱切的

intensely
ad. greatly or extremely; strongly 極度地；強烈地

intense
a. great or extreme; strong 極度的；強烈的

intensity
n. 1. 強烈，劇烈
2. 強度，烈度

concerning
prep.(fml) about; with regard to; in connection with 關于

earthly
a. of this world as opposed to heaven; material rather than spiritual 塵世的，世俗的

Phrases and Expressions

preside over
direct (a committee or other formal group of people); have or exercise control or authority over (sth.) 主持（委員會等）；掌管（某事）

wish for
have a desire for; long for 想要；希望得到

pave the way (for)
make smooth or easy (for); be a preparation (for) 為…鋪平道路；為…作準備

at sb.'s disposal
available for one to use as one wishes 由某人支配或使用

wonder at
be surprised by or curious about 對…感到驚訝

natural selection
the theory developed by Charles Darwin that plants and animals best suited to the conditions around them survive while those not suited to the conditions die out 自然選擇（指生物界適者生存不適者被淘汰的現象）

a matter of sth./doing sth.
a question of; an instance or a case of 一個…的問題；一件…的事

open up
make or become open or accessible 打開；開放

be weary of
be tired of; be bored with 對…感到厭倦

look about
look around; examine the place or state of affairs 掃視四周；觀察（事態）

be in possession of
have in one's possession; maintain control over 擁有；控制

as to
about; concerning 關于；有關

Proper Names

Rachel Carson
雷切爾·卡森（女子名）

Otto Pettersson
奧托·彼得森（男子名）