Previewing
n. 预视；预观察
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
Would you like something to drink?
您想喝点什么吗？
Don't forget to give her some food and change her water, will you?
请不要忘记给她一些食物和换水，你不会忘记吧？