Migration theory
[医] 移行学说(交感性眼炎)
🧩 词语组成解析
migration
[mai'ɡreiʃən]
n. 迁移，移居;
🗣️ 情景例句
It's not necessary to whisper, Harry.
没有必要压低声音说话， Harry。
Let me suggest we take a break.
我建议我们休息一下。
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨头则雕琢成针和工具，牙齿用来作项链。