1. We were crawling around on all fours. 我们匍匐着四处爬行。
2. She crawled on all fours over to the window. 她匍匐着爬到窗边。
3. Pedals apparently has an injured leg or paw that doesn't allow it to walk comfortably on all fours according to experts. 据专家说,显然 Pedals 有一条腿或一只熊掌受伤,这使它不能舒服地用四肢行走。
4. The horse jumped the stream and landed on all fours. 那匹马跳过小溪,四脚落地。
5. Get down on all fours and look around. 四肢触地,模仿狗狗的样子来观察四周。