Notes:
　　1. row n. 一横排，排列
a row of houses：一排房子 a row of trees：一排树
They sat in the front row in the theater. 他们坐在戏院的最前排。
in a row 1) 排成一排地 Children were standing hand in hand in a row. 小孩子们手牵手站成一排。
2) 连续地 He has been absent for 5 days in a row. 他已经连续缺席5天。
　　2. shut off turn off 关闭，关掉
They shut off the gas and electricity before leaving on holiday.
他们外出渡假前把煤气和电源关掉。
shut away: 把 … 隔离，隔绝 shut down:停止营业，关闭
shut up: 闭嘴；关闭 ( 门，窗)
　　3.arm rest（座椅的）扶手
　　4.rack n. 支架，行李架
luggage rack：行李架 a magazine rack：杂志架
a cloth ( hat, towel) rack：衣服架 (帽架，毛巾架 ) 　　
　　5.adjust v. 调整，调节
adjust air flow: 调节冷气，空调
adjust my seat: 调整座位的角度
Will you please adjust the clock? It’s slow.
这钟慢了，请你调一下好吗？
　　6.knob n. 旋钮，球型把手.
turn a knob：转动把手
　　7.lean back 航空公司: 航线
向后靠 lean against/on /upon: 靠着，倚着 eg: She is on the deck, leaning against the railings. 她倚着围栏站在甲板上。