The modern clinical use of curare probably dates from 1932.箭毒的现代临床应用可追溯至1932年.It is a curare alkaloid derived from the South American plant.它是箭毒碱,提取自一种南美产的植物....
He told Shane that they were going to learn about good sportsmanship.他告诉夏恩他们要来学学何谓良好的运动家精神.Shane looked down on the ground and almost cried.夏恩低头看着地上,差点就哭了.The next morning Shane's father woke him up early.隔天一早,夏恩的爸爸...
The Babysitters Club tried to think of ways to compete with the older group.于是,“护幼俱乐部”便想方设法与“护幼代理处”一争高下.We have very reliable babysitters.我们有可靠的保幼员....