Ergin
组素, 促变应素
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
The German quotation is lower than yours.
德国报价比你们的低。
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。