n.齒齦炎
In medical term, this is called pregnancy gingivitis. 在醫(yī)學(xué)上，這叫做妊娠性牙齦炎。
Your gums may need special care when symptoms of gingivitis appear. 當(dāng)牙炎的癥狀出現(xiàn)時,說明牙可能需要特殊護(hù)理。
