Organotin polymer
[化] 有机锡聚合物
🧩 词语组成解析
有机钖
🗣️ 情景例句
The pictures you've taken are fabulous, Richard.
你拍的照片太精采了， Richard。
I was perfectly aware of this before we married.
结婚前我就完全意识到这个问题。
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。