《棚车少年》系列是由一个美国女教师用500个基本英语单词写成的探索励志故事，让孩子学会笑着面对生活。
第一册概要：
亨利、杰茜、维奥利特、班尼四兄妹是孤儿。为了不被人发现，能够四兄妹一直在一起，他们小心翼翼地四处流浪。虽然他们知道自己有一个爷爷在绿野镇，但是他们害怕他。在逃亡的路上，孩子们在树林发现了一个破旧的棚车，并在此安了家，开始相依为命的生活。他们积极向上，阳光开朗，不惧生活的挫折。他们还遇到了善良的一家人——摩尔医生一家。在树林里，在医生家，孩子们度过了许多美好的时光……最后爷爷找到了他们，原来爷爷很年轻、慈祥，很爱他们。最后他们跟爷爷一起回家，过上了幸福快乐的日子。
ladder
noun [ C ] (EQUIPMENT）
UK /ˈlæd.ər/ US /ˈlæd.ɚ/
apiece of equipment used for climbing up and down, that consists of two vertical bars or pieces of rope joined to each other by a set of horizontal steps:
●She was up a ladder, cleaning the window.
every now and then
idiom (also every now and again)
sometimes, but not regularly:
●We still get together for lunch every now and then.
by and by
idiom old-fashioned
after a short period:
●By and by a man appeared.
dumpling
noun [ C ]
UK /ˈdʌm.plɪŋ/ US /ˈdʌm.plɪŋ/
a sweet food made of fruit covered in a sweet dough and baked:
●apple dumplings
