Petrogram
n. (史前洞穴中绘于岩石上的)岩画
🗣️ 情景例句
But your L C must reach us 30 days before delivery.
但交货前30天，我们必须要收到你们的信用证。
The doctor said it's just a mosquito bite, There's nothing to worry about.
医生说只是被蚊子咬了一口，不需要担心。
These ocean waves are among the earth's most complicated natural phenomena,
这些海浪属于地球上最复杂的自然现象。