Planulae
n. 實囊幼蟲；浮浪幼體
??? 情景例句
This sentence doesn't make any sense.
這個句子完全講不通。
He that commits a fault thinks everyone speaks of it.
做賊心虛。
But suppose the earth could be covered with sensors spaced one foot apart,
假設地球上可以布滿傳感器，每個相隔1英尺，