Raceway
n. 水道, 座圈\\n[电] 槽板
🗣️ 情景例句
before the guests arrive.
在客人到达之前。
In secondary school, children study history and geography.
中学的小孩会读历史和地理。
Then grow some tomatoes in one box which has plant food in the soil and some in another box which doesn't.
然后，在一个箱子里种一些西红柿，里面的土有养料，而在另一个箱子里也种一些，但里面的土没有养料。