Negativity
n. 否定性, 消极性
✅ 同义词
🔴 反义词
🗣️ 情景例句
Does he know you're here?
他知道你在这 吗？
To be true to the husband
忠于丈夫
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。