Cids
abbr. cellular immunity deficiency syndrome 细胞免疫缺陷综合征
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition.
信天翁是滑翔飞行的鸟类之王,它能自如地驾驭空气,但必须顺气流飞行。
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