Celarium
體腔膜
??? 情景例句
Keep your fingers crossed.
希望你一切盡如人意。
He knows much who knows how to hold his tongue.
懂得緘默的是明白人。
I crossed the street to avoid meeting him, but he saw me and came running towards me.
我穿過(guò)馬路以便避開(kāi)他，但他看到我并朝我跑過(guò)來(lái)。