Immunotolerance
免疫耐受性, 免疫反应迟钝
🗣️ 情景例句
That's five points also.
也是五分。
Is this within the tax-free limit?
这个在免税限额内吗？
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。