When you squint your eyes you can see farther. Don't do it too often as it may hurt your vision in the long run.
squint one's eyessquint your eyes 指把你的眼睛瞇起來。
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of roblems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effect, which leads to melting of glaciers, which leads to rising sea levels.