jumbo
jumbo/ˈdʒʌmbəu/ I.n.［c］庞然大物：jumbo jet巨大喷气机‖II.adj.巨大的：He bought a jumbo packet of washing-power.他买了一包特大型包装的洗衣粉。
jump
jump/dʒʌmp/ I.vi.&vt.1.跳：jump for/with joy雀跃；高兴得跳起来; jump a fence跳越篱笆2.跳动：My heart jumped when I heard the news.我一听到这个消息，心头直跳。3.跳越：jump fro···
junction
junction/ˈdʒʌŋkʃən/n.［u］&［c］联结点，(道路等的)会合点，枢纽：make a junction连接起来［考句］The police have installed cameras at dangerous road junctions to film those···
jungle
jungle/ˈdʒʌŋɡl/n.［c］丛林，密林：the jungle(s) of India印度丛林；cut a path through the jungle在丛林中开辟一条路
junior
junior/ˈdʒu:niə/ I.adj.1.年纪较轻的，较小的：junior college (AmE.)两年制大学；junior high school (AmE.)中学He is junior to me by several years.他小我好几岁。2.职(地)位较低的，初···
junk
junk/dʒʌŋk/n.［u］1.废物；旧货物：a yard full of junk堆满废旧物的场地；a junk market旧货市场2.低质材料（非正式用语）：His latest book is junk.他最新出版的那本书是粗制滥造的。
jurisdiction/jury
jurisdiction/ˌdʒuərisˈdikʃən/n.［u］司法，司法权限：The court has no jurisdiction over foreign diplomats living in this country.法院对驻本国的外交官无裁判权。jury/ˈdʒuəri/···
just/justice
just/dʒʌst/ I.adv.1.正好，恰好：It is just two o’clock.现在两点正。2.只是，不过：I’m just tired.我只不过累了。3.仅仅，容易才(常同only连用)：I only just caught the train.我好容易···
