astir的音标：astir的英式发音音标为：[ə'stɜ:r]astir的美式发音音标为：[ə'stɜr]...

Can you unfasten the lock catch of a box?你能解开箱子的锁扣 吗 ?When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt.特德六岁的时候，我们认为他得知道如何系上和解开安全带了。Do not unfasten the seatbelt before the plane ...

mastic的音标：mastic的英式发音音标为：['mæstɪk]mastic的美式发音音标为：['mæstɪk]...

胃...

n.咀嚼者，撕捏机，割碎机...

All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。In olden days the coasts of England were harassed by the Vikings again and again.古时候,英国沿海一带一再受到北欧海盗的窜扰.The cormorant is a large, long - necked...

（英国诗人Samuel Butler 讽刺诗）讽刺而滑稽的...

plasters的音标：...

An astronomer can determine the brightness of each star.天文学家能够测定每颗恒星的亮度。A new star attracted the notice of the astronomer.新发现的一颗星引起了那位天文学家的注意.It is the only tangible object the astronomer can handle.这是天文学家能够掌握的唯一可接触的对象....

Mesoblastus的音标：...

n.囊胚腔，分裂腔...

n.卵质，卵浆...

mastoncus的音标：mastoncus的英式发音音标为：[mæs'tɒŋkəs]mastoncus的美式发音音标为：[mæs'tɒŋkəs]...

He's always boasting about how clever his children are.他总是自吹他的小孩是多么聪明.This chap likes to exaggerate and is good at nothing but boasting.这个人言过其实,就会吹牛皮放大炮.Let's not have any boasting.咱们谁也别说嘴....

lipoclastic的音标：lipoclastic的英式发音音标为：[lɪpə'klæstɪk]lipoclastic的美式发音音标为：[ˌlɪpə'klæstɪk]...

n.弹性，弹力，灵活性，伸缩性...

mediastina的音标：mediastina的英式发音音标为：['medɪəsti:nə]mediastina的美式发音音标为：['medɪrstinə]...

boastfully的音标：boastfully的英式发音音标为：['bəʊstfəlɪ]boastfully的美式发音音标为：['boʊstfəlɪ]...

胃溃烂，胃烂溃...

氨基塑料...

masthead的复数形式为：mastheads...

gastromegaly的音标：gastromegaly的英式发音音标为：[ɡəstrɒ'meɡəlɪ]gastromegaly的美式发音音标为：[ɡəstrɒ'meɡəlɪ]...

褶翅姬蜂科...

gastroesophagitis的音标：gastroesophagitis的英式发音音标为：[ɡæstrəʊsɒ'fəɡaɪtɪs]gastroesophagitis的美式发音音标为：[ɡæstroʊsɒ'fəɡaɪtɪs]...

gastroadenitis的音标：gastroadenitis的英式发音音标为：[ɡæstrəʊ'denaɪtɪs]gastroadenitis的美式发音音标为：[ɡæstroʊ'denaɪtɪs]...

ideoplastia的音标：ideoplastia的英式发音音标为：[aɪdi:əʊp'læstɪə]ideoplastia的美式发音音标为：[aɪdioʊp'læstɪr]...

hexaster的音标：hexaster的英式发音音标为：[hek'sɑ:stər]hexaster的美式发音音标为：[hek'sɑstər]...

n.私立学校的男校长( headmaster的名词复数 )...

n.新闻广播...

gastroptosia的音标：gastroptosia的英式发音音标为：[ɡæst'rɒptəʊzɪə]gastroptosia的美式发音音标为：[ɡæst'rɒptoʊzɪr]...