单词 | sub- |
释义 | sub- prefix (also suc- before c, suf- before f, sug- before g, sup- before p, sur- before r, sus- before c, p, t)   1. at or to or from a lower position (subordinate; submerge; subtract; subsoil).   2. secondary or inferior in rank or position (subclass; subcommittee; sub-lieutenant; subtotal).   3. somewhat, nearly; more or less (subacid; subarctic; subaquatic).   4. (forming verbs) denoting secondary action (subdivide; sublet).   5. denoting support (subvention).   6. Chem. (of a salt) basic (subacetate). Etymology: from or after L sub- f. sub under, close to, towards |
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