407. The preface is written on the surface of the furnace that faces the space facilities.
序言写在面对太空设施的火炉表面。
preface [ˈprefis]
n.序言，引言，前言
– The preface of this book is very brief. 这本书的序言非常简短。
surface [ˈsə:fis]
n.表面，面；外表 vi.浮出水面；浮现
– The breeze rippled the surface of the lake. 微风吹皱了湖面。
furnace [ˈfə:nis]
n.熔炉，火炉
facility [fəˈsiliti]
n.［ pl.]设备，设施；便利，容易，方便
408. "In fact, some factors are unsatisfactory to the factory,"the dissatisfied manager said.
“事实上有些因素对工厂来说是不满意的。”不满的经理说。
factor [ˈfæktə]
n.因素，要素
– Time is the limiting factor. 时间是限制性的因素。
unsatisfactory [ˌʌnsætisˈfæktəri]
a.不能令人满意的
– His intention was good, but his execution of the plan was unsatisfactory. 他的用意很好，但他做起来却不令人满意。
dissatisfied [ˈdisˌsætisˈfækʃən]
a.不满的；显出不满的
– She was dissatisfied with her salary. 她对自己的薪水不满意。
409. The manufacturer manually manufactured many machines for the manufactory.
制造商为工厂手工制造了很多机器。
manufacturer [ˌmænjuˈfæktʃərə]
n.制造商，制造厂
= manufacture + er
manufacture [ˌmænju:ˈfæktʃə]
vt./ n.(大量)制造，制造业[ pl.]产品
manufactory [ˌmænju’fæktəri]
n. 制造厂,工厂