单词:valve-closing time
单词:valve-closing time 相关文章
A: May I help you? B: What time will the library be closing? A: It closes at six. B: Does it always close at six? A: No, not every day. B: Will the library be open on Saturday? A: Absolutely. B: What are your hours on Saturday? A: Saturdays hours are
第62期:What Time do You Close Y:Wed better hurry. Y:我们最好快点。 X:Why? X:为什么? Y:Because the stores closing soon. Y:因为这家店快要打烊了。 X:OK.Why dont we ask when? X:好,我们何不问问什么时候打烊呢? Y:Excus
Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. One of the pioneers in that field is Dr. Albert Starr, who co-invented the heart value - which has extende
Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. 外科医生1950年代首次在人类心脏里植入了试验性的人造瓣膜。心脏医学自那以来取
音乐咖啡厅:Justin Bieber - Down to earth 相关介绍:My World是少年歌手贾斯汀比伯(Justin Bieber)的个人首张专辑,将于11月17日发行。年仅15岁的贾斯汀比伯(Justin Bieber)来自加拿大,是由Usher一手捧红的新