Callsign
n. 通信呼号
🗣️ 情景例句
Richard's going to take some wedding pictures before the ceremony.
在婚礼前Richard准备拍一些结婚照片。
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
This has not been easy because I own over a thousand books.
但这并不容易，因为我有1，000多本书。