Lightlike vector
[化] 类光矢量
🧩 词语组成解析
[化] 类光; 类光的
🗣️ 情景例句
May I ask for a wake-up call tomorrow morning?
明早我可以要求晨叫服务吗？
No,she isn't.
不，她不是。
In 1928 some porpoises were photographer working like beavers to push ashore a waterlogged mattress.
1928年，有人拍摄到了海豚像海狸一样把浸透水的床垫推上岸的情景。