Pallidin
梅毒螺旋体素, 苍白密旋体素
🗣️ 情景例句
It is not as difficult as it looks.
这并不像看起来那丢难。
He is proud of his achievement.
他为自己取得的成就感到骄傲。
Will you connect this wire to the television?
你把这根电线和电视机连上好吗？