Anionoid
[化] 类阴离子
🗣️ 情景例句
Keep cool.
保持冷静。
Step by step the ladder is ascended.
登梯需要逐级登。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？