| 释义 |
ˈtread-ˌsoftly
[f. imper. of tread v. + softly.]
A name for a herbaceous perennial stinging plant (Jatropha urens var. stimulosa) of the southern United States; the spurge-nettle.
1814F. Pursh Flora Amer. Septentr. II. 602 Jatropha stimulosa..is a very injurious weed.., as it ruins the Negroes' feet when they tread upon it; from which it is known by the name of Tread-softly. 1884in Miller Plant-n. |