a trapeze acrobat(杂技)空中飞人表演By the time he was nine years old, he was already performing as a trapeze artist.他年仅九岁时，便已经在表演空中飞人的特技。A long drum roll introduced the trapeze artists.长长的一阵紧锣密鼓声中迎来了高空秋千表演者。He was a great trapez...
A long drum roll introduced the trapeze artists.长长的一阵紧锣密鼓声中迎来了高空秋千表演者。By the time he was nine years old, he was already performing as a trapeze artist.他年仅九岁时，便已经在表演空中飞人的特技。He was a great trapeze artist, but he was comple...
它的致密的形态是其失活的反映.Its compact appearance is a reflection of its inactivity.如果这些酸贮藏在细胞质中,细胞质的酶类将要失活.Inactivation of cytoplasmic enzymes would occur if the acids were stored in the cytoplosm.简要介绍了催化剂的再生和防失活等方面的技术.The methods ...
I rode a hydrofoil ferry across the bay this morning.今天早上我驾驶快艇驶过海湾.Why can a hydrofoil move on a layer of air?为什么气垫船能靠后方的气流移动?The hydrofoil soon speeded up.那艘水翼船不久就增加速度....