Contigency
a. 预防性
🗣️ 情景例句
Where do I register for classes?
我在哪儿登记我上的课？
Did you go to the picnic this morning?
你今早去野餐了吗？
The children pulled the boat up from the water. Then they started to look around the island.
孩子们把船从水中拉了上来。然后他们开始察看海岛的四周。