http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
I. coarsen [美 ˈkɔrs(ə)n, 英 ˈkɔːs(ə)n] 动词 trans
在《PONS词典》中的词汇
| I | coarsen |
|---|---|
| you | coarsen |
| he/she/it | coarsens |
| we | coarsen |
| you | coarsen |
| they | coarsen |
| I | coarsened |
|---|---|
| you | coarsened |
| he/she/it | coarsened |
| we | coarsened |
| you | coarsened |
| they | coarsened |
| I | have | coarsened |
|---|---|---|
| you | have | coarsened |
| he/she/it | has | coarsened |
| we | have | coarsened |
| you | have | coarsened |
| they | have | coarsened |
| I | had | coarsened |
|---|---|---|
| you | had | coarsened |
| he/she/it | had | coarsened |
| we | had | coarsened |
| you | had | coarsened |
| they | had | coarsened |
无例句可用
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单语范例（未经PONS编辑处理）
A combination of pressure and heat would probably work better, but heating might coarsen the particles or initiate unwanted chemical reactions.
spectrum.ieee.org And there can also be no doubt that the internet and social media have served to coarsen debate.
www.dailymail.co.uk Normal frictions that arise in any relationship -- a sour mood spoiling a dinner, tension around whose apartment to sleep at -- start coarsening their time together.
www.newyorker.com She has experience of life, and of 20 years' writing without the trimming and flannel of the market to coarsen her voice.
www.independent.co.uk The whole format of these new forms of communication can coarsen our sensitivity towards the feelings and rights of others.
www.eurekastreet.com.au