Optical engineering
[计] 光学工程
🧩 词语组成解析
engineering
['ɛndʒə'nɪrɪŋ]
n. 工程（学）， 工程师行业;操纵，管理;土木工程，工事;开车技术;
engineer工程师+ing表示...行业...学 →engineering
🗣️ 情景例句
A watch! I've got just the place for watches! Let's go.
手表！我正好知道有家卖表的。走吧！
Custom is a second nature.
习惯是第二天性。
Which language is spoken by the largest number of people in the world?
世界上哪种语言说的人最多？