突然出现

chopping up───切细；割断

propping up───v.支撑；支持

cropping out───突然发生；出现

mopping up───清理火场

popping up───v.突然出现

ripping up───撕碎，撕毁

sopping up───吸水

stopping up───堵塞

topping up───补足；补仓；装满货舱顶部空隙

question keeps cropping up: is South Sudan a nation of equals or a Dinka state?───问：南苏丹到底是一个各民族平等的国家还是一个丁卡州？

It stalks the characters, cropping up in chance remarks, in song lyrics, engraved on buildings.───它在小说人物中蔓延，在偶然的话语中突然出现，夹杂在歌词中，印刻在建筑物上。

Dress code challenges like these have been cropping up for years.───像这样的着装规范的问题已经出现好几年了。

The NTSB said it had not been notified of similar problems cropping up during those inspections.───在国家运输安全委员会说，它已不被种植在这些视察了类似的问题的通知。

Other clubs and bars have had the same idea; stoplight parties have been cropping up in bars from California to Florida for a while.───在其它的俱乐部和酒吧也出现相同的想法：”红绿灯“派对有一阵子在西部的加州至东南佛罗里达地区的酒吧里蜂拥出现。

new security problems are cropping up in the form of terrorism, transnational crimes, environmental degradation and drug trafficking.───恐怖主义、跨国犯罪、环境污染、毒品走私等非传统安全威胁又在迅速蔓延。

Or feathers could have evolved more than once in dinosaurs, cropping up in sister species at different times and places.───或者，羽毛在恐龙身上不是首次进化，这种进化突然发生在不同时间和地点的相似种类的恐龙身上。

However, automakers confirm that the issue is cropping up in their negotiations to expand existing plants or build new ones.───然而汽车制造商们证实，这个问题正突然出现在它们有关扩建现有工厂或建设新厂的谈判中。

Relatives of the deceased have a habit of cropping up in cases like this.───死者的家属，在类似这类案件上他们总是要突然冒出来的。

Her name keeps cropping up everywhere.

Be careful when you walk in this field; there are lots of rocks cropping up.

Her name keeps cropping up in conversation.

Your name kept cropping up in conversation.

The ads keep cropping up from time to time in different papers, so I assume business must be good.

Disruptions borne of desperation are cropping up in food - deficit areas.

But places for them to eat, sleep and buy groceries or outdoors items are cropping up more often.

The atmosphere was restless, impatient and mad, a word that kept cropping up.

But signs of frothiness are also cropping up in odd places: garlic has become an unlikely target for Chinese speculators.