downdraft什么意思

Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.Beijing Cherokee engine uses Cart YFA carburetor which is single ba...

downdraft的音标：downdraft的英式发音音标为：['daʊndrɑ:ft]downdraft的美式发音音标为：['daʊnˌdrɑft]...

“扎营”的英语可以翻译为：pitch a tent or camp，encamp，camp，pitch，sit down ...

v.（马）缓行( amble的过去式和过去分词 )，从容地走，漫步...

The biography relishes too much of romance.这篇传记中传奇色彩太浓.a politician who relishes a joust with reporters喜欢和记者过不去的政治家The meat relishes of pork.这肉有猪肉味.Butter knife: butter pats. soft cheeses. chutneys and relishes.黄油刀: 用来切小...

From my perch, I have watched the flabbergasting events of the past week.从我所处的高度, 我观看了过去一周那些令人目瞪口呆的事件.E sorridiamo perch é sbaglier à fra poco.嗯!童谣,我们唱就是为了好玩.We watched the parade from our perch.我们从高处观看游行。...the vast slu...

be linked to的音标：be linked to的英式发音音标为：[bi: liŋkt tu:]be linked to的美式发音音标为：[bi lɪŋkt tu]...

importable的音标：importable的英式发音音标为：[ɪm'pɔ:təbl]importable的美式发音音标为：[ɪm'poʊrtəbəl]...

dipartite的音标：dipartite的英式发音音标为：[daɪ'pɑ:taɪt]dipartite的美式发音音标为：[daɪ'pɑtaɪt]...

Failure is never quite so frightening as regret do.比失败更令人恐惧的是懊悔。The public never had faith in his ability to handle the job.公众从来不相信他有能力胜任这一职位。He has never exhibited the self-confidence, bordering on arrogance, of his pre...

球砷锰矿...

fibrositis的音标：fibrositis的英式发音音标为：[ˌfaɪbrə'saɪtɪs]fibrositis的美式发音音标为：[ˌfaɪbrə'saɪtɪs]...

“氦核”的英语可以翻译为：helion ...

innovator的复数形式为：innovators...

n.轻歌剧，小歌剧...

minced的音标：...

星苔藓虫科...