Underfeature
小起伏地形
🗣️ 情景例句
I was. I came back here last month on vacation.
本来是，不过上个月回来度假。
I'd like a bowl of tomato soup,please.
请给我一碗西红柿汤。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，