Bathythermogram
深海温度记录图
🗣️ 情景例句
Have you ever been to Niagra Falls?
你去过尼亚拉加瀑布吗？
Long time no see!
好久不见。
No. The next development was to carve the characters on a piece of wood.
是的，不象。下一步的发展是将汉字刻在一片木板上。