antigen presentation的用法和樣例：
例句
- Plant as the delivery vehicle for vaccine can express antigen in edible parts such as seeds and tubers.
植物作為生產疫苗的載體可將抗原表達於植物的可食部位。 - A virus will remain relatively safe from immune destruction if it remains within the cell and allows only very low or no viral antigen expression on the infected cell membrane.
如果病毒一直在細胞內並且只有很少或幾乎無抗原表達到感染細胞膜上。
