理解，明白；变得流行

latches on───占有；抓住；理解

catches out───发觉…有错误

catch on───理解，明白；变得流行

catches up───赶上；把…缠住

latched on───占有；抓住；理解

pitches on───选中；决定

latches onto───紧抓；获得；明白；与…要好

catch up on───赶上；得到……消息；弥补

catching on───理解，明白；变得流行

And if the idea catches on, the impact could be enormous.───如果素食的观点流行起来，影响可能是巨大的。

That film catches on well.───那部电影很受欢迎。

The idea still catches on.───这种想法还很流行。

If the idea catches on, don't be surprised to see an air tree in the city near you very soon.───如果这个想法得到推广，当“空气树”出现在你身边的时候，千万不要吃惊啊！

If that catches on, arcades may soon sound as if everyone in them should be tucked up in bed.───如果这玩意流行起来，街机游戏厅也许很快地试用上，那时大家在里面玩就应该像是在床上睡觉一样。

If this technology catches on, it should drive up the total number of searches conducted.───要是该技术风行，就会驱使搜索行为总数上升。

If the technology catches on, it will open up vast areas of the planet's surface to one of the best low-carbon power sources available.───假若这项技术得到普及，它能以广大的地球表面提供予拓展最上成的低碳能源之用。

If you smell smoke , and your brother catches on fire , get your sister and get out of here .───如果你闻到烟味，你弟弟着火了，带着你的妹妹赶快走。

If it catches on, it may tell you something valuable about the host's immune system.───如果被感染，它会告诉你哪些是宿主免疫系统中敏感的部分。

Unless your son catches on to the research potential on the Web, surfing can be pretty passive.

If Yorkshire Pudding ever catches on over there it won't be any fault of mine.

He catches on quickly.

She catches on fast and will soon be promoted.

Heather is a good student. She really catches on fast.

If the idea catches on, it can be said to propagate itself, spreading from brain to brain.

It also made other catches on the islands, including shark fins and sea cucumbers, more attractive.

The patient with damage to one frontal lobe catches on to the original sorting strategy and gets the string of yes answers.

The film has its rough patches: particularly the implausible speed with which Jeanne catches on to something being amiss with Mika.