Ostracodermi
甲胄鱼类
🗣️ 情景例句
It was on Spring Avenue, near the park.
那房子是在Spring Avenue 公园附近。
No, Jack. You must go on.
不行，杰克。你必须继续下去。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。