Immunodeficiency
n. 免疫缺陷, 免疫缺损
🗣️ 情景例句
He did it in no time.
他马上做了那件事。
Quality matters more than quanity.
质量比数量重要。
They carved a whole page of characters back-to-front in the wood.
他们在木板上刻满整页的反字（背面朝上）。