Billis
n. [计量] 千兆分之一（忽，毫微）\\nn. (Billi)人名；(意)比利
🗣️ 情景例句
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
A bat is hanging.
蝙蝠倒悬着。
And what's this?
那么这个呢？