n. 陆军中尉，副职官员，海军上尉，助理人员；

[例句] Lieutenant Campbell ordered the man at the wheel to steer for the gunboat.

[例句] He was my right-hand man, my lieutenant on the field, a cool, calculated footballer.

n. 二十分之一，（某月的）二十日；adj. 第二十的，二十分之一的；num. 第二十；

[例句] ...the twentieth century.

[例句] A few twentieths of a gram can be critical.

n. 龟甲，龟板，玳瑁壳，（毛色为黄褐黑白相间的）家猫；

[例句] He wears huge spectacles with thick tortoiseshell frames.

n. 肺结核，[医]结核病，痨，痨病；

n. （酿造，制革等用的）大桶，大缸，[印]还原染缸[染剂]，瓮染料制剂桶，比利时和荷兰的液量名；vt. 把…盛入大桶，把…放入大桶里染（处理），在大桶里处理；

adj. 推进的；n. 推进物；

[例句] ...an enormous amount of propellant.

[例句] ...a propellant for nuclear rockets.

adj. 吸引人的，诱人的；v. 引诱或怂恿（某人）干不正当的事( tempt的现在分词)；

[例句] In the end, I turned down Raoul's tempting offer of the Palm Beach trip...

[例句] If you're slimming, resisting tempting goodies becomes a measure of your 'success' as a woman...

adj. 三维的，立体的，空间的，三度；

[例句] ...a three-dimensional model.

[例句] ...the three-dimensional structure of DNA.

vt. 缩短；

n. （植物的）块茎，结节；

离开，退出，掉出，脱扣，违世；

[例句] He'd dropped out of high school at the age of 16...

[例句] She dropped out after 20 kilometres with stomach trouble.

把…赶走，挤掉，迫使离开，屈服；

v. 教( teach的过去式和过去分词 )，教书，训练，教育；

n. 军队，装甲部队，骑兵队，军队( troop的名词复数 )，一群，连队，童子军中队；

[例句] The next phase of the operation will involve the deployment of more than 35,000 troops from a dozen countries...

[例句] There were reports of troop movements.

n. 雄动物，雄猫；

n. 打横褶者，打褶装置，打皱褶着，领布；vt. 使疲倦，使衰弱；

[例句] ...a man who knows what constitutes decent tucker and how to go about serving it up.

adv. 非常；n. 吨（ ton的名词复数 ），大量，许多，（尤指）每小时 100 英里的速度；

[例句] Hundreds of tons of oil spilled into the sea...

[例句] Getting rid of rubbish can cost $100 a ton.

n. 秘书处，书记处，秘书，秘书之

[例句] ...the UN secretariat.

adj. 兴旺的，旺盛的，繁荣的；v. 兴盛，兴隆( thrive的现在分词 )，长得健壮；

[例句] Today his company continues to thrive...

[例句] Lavender thrives in poor soil.

n. 发型师，文体家，造型设计师；

[例句] Choose a stylist recommended by someone whose hair you like.

[例句] She is now a writer and fashion stylist.