Stand straight and stretch the left hand to the right foot.站直身体,伸左手够右脚.The keys are in the back left-hand corner of the drawer.钥匙放在抽屉里面左边一角。They drive on the left-hand side of the road.他们靠公路左边行驶。...
She was a suffragette and a birth control pioneer.她参加争取妇女选举权的运动,也是节育倡导者。a pioneer in the field of microsurgery显微外科领域的创始人He is a pioneer in modern medical practice.他是现代医学实践的先驱....