单词:
单词: 相关文章
An american lady traveling in england some years ago got into an compartment of a smoking carriage where an english were smoking a pipe. For a short time she said quietly expecting that the englishman was stop smoking. But then she began to cough an
In the lungs the blood gets from the air-tubes the oxygen which it needs, 肺部的血液从气管中获取所需的氧气, and the air takes from the blood hurtful things which it must get rid of, and which we breathe out with our breath. 而空气则
An american lady traveling in england some years ago got into an compartment of a smoking carriage where an english were smoking a pipe. For a short time she said quietly expecting that the englishman was stop smoking. But then she began to cough and
Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But
Nice Set of Pipes 尽管管风琴对我们来说还是比较生疏的乐器,但它的发音原理与我国民间流传至今仍在使用的古老乐器芦笙十分近似。据史料记载,公元前250年前古希腊工程师克提西比奥(Ktes
In some situations, you might have to tell people to quiete down and stop talking just before someone is about to speak (in a presentation, a meeting or conference) or a play is about to start in the theatre. In those instances, you would politely as