Siphonapieroidea
蚤总目
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
As far as I'm concerned.
就我而言。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。