theme
theme/θi:m/n.［c］主题，题目：the main theme of discussion讨论的主题；an attractive theme吸引人的题目；a comic theme喜剧题材
then
then/ðen/ I.adv.1.那时(指过去)，到那时候(指将来)：I was in school then.当时我在上学。2.然后，其次：First comes spring, then summer.先春天后夏天。3.那么(常用于句首或句尾)：Then let···
theoretical/theory
theoretical/θiəˈretikəl/adj.1.理论的：theoretical chemistry(physics)理论化学（物理）；the theoretical value of their work他们工作的理论价值It's a theoretical matter as well···
therapy
therapy/ˈθerəpi/n.［u］1.治疗，理疗：have heat therapy for one’s sore shoulder因肩膀疼而采用热敷治疗办法2.构成合成词：radiotherapy放射疗法；psychotherapy心理疗法
there/thereafter/thereby/therefore
there/ðɛə/ I.adv.1.那里，那边(［反］here):Father took me there.父亲带我去过那儿。2.在那点上：You are wrong there.在那点上你错了。There I disagree with you.在那点上我不同意你。3.···
thermal
thermal/ˈθə:məl/adj.1.热的，由热造成的：thermal generating/generation station (= thermal power plant)火力/热电厂；thermal ground water地下热水；thermal point热点2.保暖的：therm···
thermometer
thermometer/θəˈmɔmitə/n.［c］温度计，温度表：a gas thermometer气体温度计；a mercury thermometer水银温度计；a spirit thermometer酒精温度计The thermometer ranges between 0℃and ···
thermos
thermos /ˈθə:mɔs/n. [c] (AmE)热水瓶，暖瓶：Thermos is called “thermos bottle”(BrE),flask(BrE) andvacuum flask.Thermos在英国叫thermos bottle或flask，也说着vacuum flask。
these
these/ði:z/ I.pron.(this的pl.形式)这些：These are better than those.这些比那些好。Give these to him.把这些给他吧! ‖II.adj.这些：These books are mine.这些书是我的。(in) these days···
