Billi
n. [计量] 千兆分之一（忽，毫微）\\nn. (Billi)人名；(意)比利
🗣️ 情景例句
She went to a school-board meeting.
她去参加联合校董会的会议。
Did you have a good day today?
你今天过得好吗？
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。