Ethological
行为性的, 行为学的
🗣️ 情景例句
Passport please.
请出示你的护照。
You two don't have much contact
？ 你们俩没怎么联系吗？
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下钢盘混凝土平台上。