portend的一般过去时怎么写

portend的现在完成时为：portended...

vt.预示，预兆，给…以警告，预告...

portend的现在进行时为：portending...

Overcast skies portend a rough day for boats on Iceland's Lake Myvatn.阴云密布的天空为冰岛米湖上的船只预示了狂风暴雨的一天.What do these strange events portend?这些奇怪的事件预示着 什么 ?The change did not portend a basic improvement in social condition...

What do these strange events portend?这些奇怪的事件预示着 什么 ?Not, perhaps, a great portend for a new generation of robots.但是在现实中, 这可能预示着下一代的新机器人.Overcast skies portend a rough day for boats on Iceland's Lake Myvatn.阴云密布的天空为冰...

portend的第三人称单数（三单）为：portends...

portend的音标：portend的英式发音音标为：[pɔ:'tend]portend的美式发音音标为：[pɔr'tend]...

v.使受耻辱，指责，污辱( stigmatize的过去式和过去分词 )...

First, why do we get light propagating at all?首先, 我们来看看光为什么可以传播?The model shows a wave propagating from left to right through air.该模型表明,波从左至右通过空气.What are the pigeons doing outside? Eating, sleeping, propagating!门外的那些鸽子在...

morality的近义词有：goodness, integrity, morality, purity, virtue,morals, morality, ethics。下面这组名词均含有"美德"的含义：goodness：含义最广，侧重固有的仁爱，慷慨等高尚的美德。integrity：指品格的纯正，有高度是非感的美德。morality：强调符合道德标准的行为或用道德准则衡量某事，尤注重男女间的道德品行。purity：侧重于道德上无缺点。...

n.小花（尤指菊科植物管状花状小花），绢丝...

betonies的音标：...

discoveries的音标：...

mar的反义词有：beautify, heal, cure, stop, heal。vt.mar的反义词（损伤;损毁;弄糟）：beautify, heal, cure。mar的反义词（其他释义）：stop, heal。...

n.（部队的）检阅( parade的名词复数 )v.（使）集合接受检阅( parade的第三人称单数 )，游行，列队行进，展示，炫耀...

choristers的音标：...

n.吝啬，小气...

disproportionation的音标：disproportionation的英式发音音标为：[dɪsprəpɔ:ʃə'neɪʃən]disproportionation的美式发音音标为：[dɪsprəpɔʃə'neɪʃən]...

“握住”的英语可以翻译为：catch up，handhold，hold，take hold of，fasten upon ...

“简要”的英语可以翻译为：concise and to the point，brief ...

With soap and water, bubbles and boats, children love bathtime.有了肥皂、水、泡泡和小船，孩子们都喜欢洗澡。A small colour television was tuned to an afternoon soap opera.一台小彩色电视机频道调在了一出下午的肥皂剧上。Wash the feet, underarms and body surface using a...

vt.撒石灰于（lime的过去式与过去分词形式）...