Lightlike vector
[化] 类光矢量
🧩 词语组成解析
[化] 类光; 类光的
🗣️ 情景例句
How much does a return ticket cost?
返程票多少钱？
Don't be shy, dear.
亲爱的，你别害羞嘛。
I know! smiled Lucy. They have steps, and they begin with L!
“我知道！”露茜笑着说，“它们有阶梯，并且这个单词是以L开头的！”