Ahls
abbr. 抗人淋巴细胞血清（antihuman-lymphocyte serum）
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
A good name keeps its luster in the dark.
良好的名声在黑暗中也能闪闪发光。
I don't know, she says.
她说“我不知道”。