Lightlike vector
[化] 类光矢量
🧩 词语组成解析
[化] 类光; 类光的
🗣️ 情景例句
We have a wide connection in U.S.A.
我们在美国各地有广泛业务关系。
Saying is one thing, and doing another.
说是一回事，做是另一回事。
Where are you staying in Guangzhou? I hear that the hotels there are very expensive.
在广州你打算住在哪儿？我听说那里的旅馆收费很高。