coarse-grained
/ˈkɔːsgreɪnd/adjective
1- coarse in texture or grain质地粗的; 纹理粗的：
a coarse-grained flour.
粗面粉。
1.1
- (of photographic film) having a noticeably grainy appearance（胶卷）粒状的。
1.2
- coarse in manner or speech粗鲁的：
a coarse-grained man.
一个粗鲁的男人。
1.3
- rough rather than detailed or precise粗略的, 大概的：
a very coarse-grained approximation of what is actually going on.
对所发生事件极为粗略的估计。