Presheaf
预层
🗣️ 情景例句
Mitchell is
Mitchell是
I worked at the hardware store this afternoon.
我今天下午在五金行工作。
the story of a galleon that sank at the start of her maiden voyage in 1628 must be one of the strangest tales of the sea.
在1628年，一艘大帆船在处女航开始时就沉没了，这个流传至今的故事无疑是航海史上最离奇的事件之一。