Stomodeum
[医] 口道, 口凹
🗣️ 情景例句
But I'm bored.
但我感到无聊。
My watch says two o'clock.
我的表是两点钟。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。