Bbr
abbr. 黑体辐射器（Black Body Radiator）
🗣️ 情景例句
When people stand together, no one can stop them.
当人们门到一起的时候，就没有人可以阻止他们相互谈论。
Excuse me. Can you tell me where Main Street is?
劳驾，你能告诉我正街在哪里吗？
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。