[00:13.54]jewelry n.珠宝

[00:17.90]jog v.慢而平静地前进.慢跑

[00:20.62]joint n.接合处,关节;a.连接的,联合的

[00:25.00]jolt n.颠簸,震摇,震惊

[00:29.20]journal n.日志,定期刊物,杂志,日志

[00:35.14]juice n.果汁,汁液

[00:38.37]jumble n./v.揉杂,混杂

[00:41.02]junction n.连接,结合处,接头

[00:45.58]jupiter n.木屋,木星

[00:48.69]justice n.公正,正直 法官 司法

[00:53.62]justify vt.证明...合理

[00:57.94]juvenile n.幼苗,幼体;少年

[01:01.62]keen v.痛哭 adj.灵敏的 敏锐的.

[01:05.07]kennel n.狗舍,狗窝

[01:12.02]kernel n.(果实的)核;谷粒,

[01:17.69]kerosene n.煤油

[01:21.68]kiln n.窑,窑房

[01:27.39]kinetic adj.运动的

[01:32.41]label n.标签;标记,符号

[01:36.66]laboratory n.实验室

[01:39.51]lace n.花边,鞋带,缎带

[01:44.98]lament n./v.悲伤、哀悼 抱怨

[01:47.91]landing n.登录 着陆 降落

[01:50.85]landmass n.大片陆地,地块

[01:56.28]landscape n.景色,风景,风景画,风景照片

[02:02.55]larva n.(昆虫的)幼虫

[02:04.83]laser n.激光