nurture
nurture/ˈnə:tʃə/ I.n.［u］养育，培养，教育：express one’s gratitude to the parents for nurture表达对父母养育之恩的感激‖II.vt.抚养，培养，教育：be nurtured by loving parents在···
nut
nut/nʌt/n.［c］1.坚果，硬壳果：They gathered a lot of nuts in the woods.他们在树林中采集了许多坚果。2.螺母，螺帽：Here is a bolt with a nut screwed on.这是一个拧有螺帽的螺栓。
nutrient/nutrition
nutrient/nju(:)ˈtriənt/ I.adj.有营养的：Magnesium is the nutrient element in plant growth.镁是植物生长的营养要素。‖II.n. [c]营养（物质）：Provide plants with their proper nutrie···
nylon
nylon/ˈnailən/n.［u］尼龙；尼龙织品(pl.)；尼龙袜(pl.): nylon thread尼龙线(=thread made of nylon); a pair of nylons一双尼龙袜(=nylon stockings)
o’clock
o’clock/əˈklɔk/ …点钟(of the clock的缩写，只用于正点，不和a.m., p.m.等缩写词连用)：What o’clock is it?现在几点钟? It is one o’clock.现在是1点钟。We left London at ten o’clo···
oak
oak/əuk/n.［c］&［u］栎属；栎树；橡树；栎木：an oak door栎木门The chair is of solid oak.这把椅子是纯橡木的。Oaks may fall when reeds stand the storm.芦苇耐风暴，橡树却会倒；树···
oar
oar/ɔ:/n.［c］桨，橹；桨手：a good oar好桨手The sailors are bending to the oars.水手们在拼命地划桨。We each took an oar.我们每人划一支桨。We pulled hard on the oars.我们用力地划桨···
oath
oath/əuθ/n.［c］(pl.oaths /əuðz/) 1.誓言，誓约：Every U.S. President must take an oath to uphold the constitution.每一位美国总统必须宣誓支持宪法。2.咒骂，诅咒语：The carpenter ···
obedient/obedience
obedient/əˈbidiənt/adj.服从的，顺从的：obedient children听话的孩子；be obedient to one’s superiors服从上级；Your obedient servant. (公函结尾用语)顿首，敬启(您的恭顺的仆人)［考句···
obese/obesity
obese/əuˈbi:s/adj.肥胖的，肥大的：obesepatients肥胖症病人Being obese and lazy is dangerous to health.又胖又懒危害健康。 obesity/əuˈbisiti]/n. [u]肥胖，过胖：One effect of overe···
