Xanthophyceae
黄藻
🗣️ 情景例句
It's not difficult.
这不难。
We've got to get a mirror for the bashroom.
我们必须有一面镜子放在浴室。
Whether the remarkable growth of organized camping means the eventual death of the more independent kind is hard to say.
有组织的露营活动的明显发展是否意味着较独立的自我封闭式露营的最终消失，还很难说。