Graded index optic fiber
[计] 分级检索光导纤维
🧩 词语组成解析
a. 分等级的；按年级分的
index
['ɪndɛks]
n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整（工资、价格等）;
vi. [机械学]转位;
in(in)+dex(proclaim)→指针；索引；指数；食指；指标
optic
['ɔptik]
adj. 眼睛的，视觉的;光学的;镜片;
fiber
['faibə]
n. 光纤;（织物的）质地;纤维，纤维物质;
🗣️ 情景例句
Would Ms Lin please come forward?
有请林小姐到前面来。
He who has a mind to beat his dog will easily find a stick.
有心打狗好找棍；欲加之罪，何患无辞。
That's not allowed. Once you are in here, listen to your teacher.
那是不允许的。一旦进来了，你们要听老师的话。