一九一一年五月,发现“蜉蝣号”飞艇的升力不足.In May 1911 the Mayfly was found to lack sufficient lift to get airborne.桥面横断面可能由于过量的升力而发生扭转.The cross section of a bridge deck may twist as a result of excessive life.这一诱导气流产生正的力矩,该力矩随升力或迎角a的增加而增加...
When the chairman of Campbell's retired, McGovern was named as his successor.坎贝尔公司的总裁退休后，麦戈文被选定为继任者。Within hours, police corralled the three men Lewis had named.几小时之内，警察就抓到了刘易斯提到的那三个人。Efforts to reach the people nam...
Wives will have to bring along their marriage certificate.已婚妇女必须携带结婚证。The certificate will have to be lodged at the registry.证书必须存放在登记处.She proudly displayed her degree certificate to her parents.她自豪地向父母展示了学位证书....