Bipolar devices
[电] 双极装置
🧩 词语组成解析
bipolar
[bai'pəulə]
adj. 有两极的，双极的，两极世界的;
n. 设备；装置；器件（device的复数）
🗣️ 情景例句
How much are the dues?
会费多少？
It's about time.
时间差不多了。
they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.
昆虫会吞食我们的全部庄稼，杀死我们的成群的牛羊。