Immunotolerance
免疫耐受性, 免疫反应迟钝
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Do you have some envelopes?
你有信封吗？
He could hear shouting in the camp itself.
他听得军营里面的喧闹声。