native
native/ˈneitiv/ I.adj.本国的，本土的：English is her native language.英语是她的母语。He returned to his native village.他回到了他出生的村子。‖II.n.［c］本地人，本国人：I am a nat···
natural/naturally
natural/ˈnætʃrəl/adj.自然界的，天然的，生来的：A river is a natural waterway, but a canal not.河流是天然的水道，运河则不是。Many natural materials are becoming scarce.许多天然原···
nature
nature/ˈneitʃə/n.1.［u］自然，自然界：Nature makes most trees lose their leaves in winter.大自然使多数树木在冬天落叶。We must obey the laws of nature.我们必须遵循自然规律。2.［c···
naughty
naughty/ˈnɔ:ti/adj.1.顽皮的，淘气的：a naughty child顽皮的孩子That’s very naughty of you.你太淘气了。2.猥亵的，下流的：a naughty novel黄色小说
nausea
nausea/ˈnɔ:sjə/n. [u]呕吐，恶心，反胃：feel nausea作呕Early pregnancy is often accompanied by nausea.怀孕期常有恶心的现象。The sight fills him with nausea.这情景使他厌恶。
naval/navigation/navy
naval/ˈneivəl/adj.海军的：a naval base(officer)海军基地（军官）；naval forces海军部队；a naval architect造船工程师
near/nearby/nearly
near/niə/ I.prep.在…附近：She sits near the window in the classroom.她坐在教室里靠窗户的地方。It’s near 6 o’clock.快六点了。‖II.adj.接近的，近的（to）：The station is near so ···
neat
neat/ni:t/adj.1.整洁的，整齐的：keep the desk neat保持桌子整洁；a neat room一间整洁的房子2.熟练的，灵巧的：a neat worker做事干净利落的人3.利索的，简洁的：a very neat answer简洁的答···
necessarily/necessary
necessarily/ˈnesisərili/adv.当然；必然：Rich people are not necessarily happy.有钱人不一定都很幸福。Good-looking food doesn’t necessarily taste good.中看的食品不一定有好味道。Th···
necessitate/necessity
necessitate/niˈsesiteit/vt.使成为必要/需要：The increase in population necessitates a greater food supply.人口的增加需要更多的食品供应。necessity/niˈsesiti/n.1.［u］必要(性)，(迫···
