词汇:
hipbone n. 股骨 pitch n. 音高
Limb n. 肢体 license n. 执照
database n. 数据库 fingerprint n. 指纹
spectrum n. 频谱 reposition v. 改变位置
digit n. 数码,数字
注释:
1. on which the computers can distinguish:在这个基础上,电脑能区分 。 前面带有介词的关系代词which引导定语从句,修饰basis。
2. ID cards:身份证。ID = identity
3. Suppose your features have already been stored in the database:假定你的特征已经储存在资料库里。 Suppose your features have already been stored in the database 可以理解为 Let us suppose your features have already been stored in the database。
4. reposition this picture according to the position of your eyes:按照你的眼睛的位置重新调整照片的角度
5. pupil:瞳孔
6. whites of your eyes:你的眼睛的眼白
练习:
1. A) checks B) stores C) revises D) modifies
2. A) nearly B) approximately C) roughly D) accurately
3. A) without B) with C) for D) in
4. A) identical B) similar C) unique D) sole
5. A) hear B) understand C) distinguish D) record
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