Tetrone
四酮
🗣️ 情景例句
Before we go to the gallery,
在我们去画廊之前
This composer is writing beautiful song.
这位作曲家写出了美妙的歌曲。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。