Silicoflagellatae
硅鞭藻纲
🗣️ 情景例句
I should have saved some money.
我早该存些钱。
In all things, it is better to hope than to despair.
凡事抱希望为佳，不应悲观而失望。
Don't crowd round him, said the gate keeper.
“不要围着他，”学校门卫说。