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Prof. John Willis is our teacher of English.约翰·威利斯教授是我们的英语老师.I got into our dinghy while Willis took the helm and positioned the boat for the photograph.我钻进我们的小艇，威利斯掌舵，将船摆好位置准备拍照。Now, Mr. Willis . I'm sure that won&...
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clavacin的音标：clavacin的英式发音音标为：['kleɪvəsɪn]clavacin的美式发音音标为：['kleɪvəsɪn]...
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n.蒂娜（女子名）...
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After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中国开始在大、中城市接种卡介苗 、 百日咳 、 白喉 、 破伤风 、 麻疹、脊髓灰质炎的疫苗的工作.Anti-malarial vaccines are now under-going trial...
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n.深情，柔情...
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他们脚下的石板路经过数百年的踩踏，磨得光溜溜的。The flagstones beneath their feet were worn smooth by centuries of use.她坐在铺着石板的庭院里的一把椅子上。She sat on a chair in the flagged yard.后门旁一块石板地a paved area near the back door...
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n.羟氨酸...
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fairs的音标：...
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n.打字员( typist的名词复数 )...
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shaft的一般过去时为：shafted...
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同线性，共线性...
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assembled的音标：assembled的英式发音音标为：[ə'sembld]assembled的美式发音音标为：[ə'sembld]...
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“话筒”的拼音为：huà tǒng...