1. When the teacher asked if anyone wants to share their experiences, everyone lowered their head.2. We will not succumb to temptation.3. I will never bow to evil.
 lower one's head bow one's head succumb to something bow to something很普遍. 是鞠躬或敬禮的意思. 指向某事或某人屈服. "will not bow to evil" 可解讀成 "不向惡勢力低頭"
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 problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effect, which leads to melting of gaciers, which leads to rising sea levels.