disk
n. 磁盘

enter
V. 走进，进入；参加

essay
n. 短文，散文，小品文

forth
ad. 向前；向外，往外

hardware
n. 硬件（计算机的机械及电子部件）

icon
n. 图标

menu
n. 菜单；饭菜，菜肴

mouse
v. 鼠标；老鼠

operate
v. 操作

press
v. 压，揿，按

printer
n. 打印机

processor
n. 处理器

screen
n. 屏；屏幕

select
v. 选择；挑选

stuck
a. 不能动，不能继续做某事

switch (on/off)
n. 开关；转换
v. 转换，开，关

system
n. 系统，体系；制度

typewriter
n. 打字机

whatever
a. & pron.无论什么

check sth. out
检查某事物（是否真实、安全等）

and so forth
等等（表示列举未尽）

that is
亦即，也就是说

there you are
事情办到了；目的达到了

make a mistake
犯错误

I'll tell you what
你听我说

get on with
继续做某事

Merry Learning

Challenge to Think

When the bus I was waiting for finally arrived, the woman in front of me handed the driver a transfer (转乘票). "Lady," he said, "this transfer is from yesterday."
"That tells you how long I've been waiting for this bus," she replied.