vapor的现在完成时怎么写？

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.Water vapor from the evaporative recovery process may be recondense...

vapor的音标：vapor的英式发音音标为：['veɪpə]vapor的美式发音音标为：['vepɚ]...

vapor的复数形式为：vapors...

n.水汽，水蒸气，无实质之物，自夸者，幻想 [药]吸入剂 [古]忧郁（症）v.自夸，（使）蒸发...

vapor的近义词/同义词有：talk, nonsense, vaunt, preen, brag, jabber, prattle, boast, blather, crow, big, swagger, flourish, glory, babble, trumpet, puff, blabber, out, puff, disappear, emit, spew, let, expire, smoke, vaporize, tra...

vapor的现在进行时为：vaporing...

vapor的第三人称单数（三单）为：vapors...

The two principal combustion products are water vapor and carbon dioxide.两种主要的燃烧产物是水蒸气和二氧化碳。The car windows were fogged with vapor.车窗上满是雾气。When nitric acid is poured on copper, a brown vapor gives off.将硝酸倒在铜上, 会散发出一种棕色的蒸...

vapor的一般过去时为：vapored...

snipe的第三人称单数（三单）为：snipes...

“裂开的”的英语可以翻译为：[医] ceasmic，dehiscent，fissus，chapped，dissilient ...

lysostaphin的音标：lysostaphin的英式发音音标为：[laɪsə'stæfən]lysostaphin的美式发音音标为：[ˌlaɪsə'stæfɪn]...

“活件”的英语可以翻译为：liveware ...

“侧跨步”的英语可以翻译为：[体]side step ...

jagged的近义词/同义词有：notched, ragged, pointy, serrated, abrasive, rough, pointy, ragged, notched, rugged, serrated。adj.jagged的近义词（锯齿状的）：notched, ragged, pointy, serrated。jagged的近义词（其他释义）：abrasive, rough, pointy, ragged, notch...

cyclocompounds的音标：cyclocompounds的英式发音音标为：[saɪkləʊ'kɒmpaʊndz]cyclocompounds的美式发音音标为：[saɪkloʊ'kɒmpaʊndz]...

playful的音标：playful的英式发音音标为：['pleɪfl]playful的美式发音音标为：['plefəl]...

无翅瓣类...

dusk的现在完成时为：dusked...

livelong的音标：livelong的英式发音音标为：['lɪvlɒŋ]livelong的美式发音音标为：['lɪvlɔŋ]...

What's up with Pasadena, Pomona, Santa Ana and all that?帕萨迪纳市, 波莫纳, 圣安娜和其他地方 怎么样 ?Objective : To investigate the feature of antinuclear antibodies ( ANA ) negative systemic lupus erythematosus ( SLE ).目的: 探讨抗核抗体 ( A...

n.甘油三酸酯...

tie的音标：tie的英式发音音标为：[taɪ]tie的美式发音音标为：[taɪ]...

中身...