Polycations
(polycation 的复数) 聚阳离子
🗣️ 情景例句
Yes, it was delicious.
对， 味道非常好。
Nothing venture, nothing win (or have or gain).
不入虎穴，焉得虎子。
Mohandas Gandhi was born in India in 1869 and was married at the age of 13, following local custom.
莫汉达斯·甘地1869年出生于印度，按照当地的风俗，他13岁时就结了婚。