Posiode
正温度系数热敏电阻
🗣️ 情景例句
Richard and I will put them into the envelopes.
我和Richard把它们放进信封。
Kindness is the golden chain by which society is bound together.
善良是连结社会的金链。
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。