| 单词 | rictus |
| 释义 | Word Frequency rictus(ˈrɪktəs) nounWord forms: plural -tus or -tuses 1. the gap or cleft of an open mouth or beak 2. a fixed or unnatural grin or grimace, as in horror or death Derived forms rictal (ˈrictal) adjective Word origin C18: from Latin, from ringī to gape |
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