今天我们要学的词是 strain. strain 的意思是压力，费力，使足力气。 In China, female pilots strain to hold up half the sky although they account for only 1.3 percent of all the pilot, one of the lowest proportion in the world. 在中国，女飞行员虽然只占1.3%，是世界上最低的比例之一，但她们努力顶起半边天。Britain and Ireland will seek to hold regular summits between leaders and ministers after Brexit to maintain ties strained by Britain's decision to leave the EU. 英国脱欧后，英国和爱尔兰将努力定期举行领导人和部长之间的峰会，维持因英国决定退出欧盟而变得紧张的关系。