单词 | obstacle |
释义 | ob·sta·cle ![]() n. Something that stands in the way of or holds up progress: The road crew removed the obstacle of the fallen tree limb. We had to overcome many obstacles to put on this show. [Middle English, from Old French, from Latin obstāculum, from obstāre, to hinder : ob-, against; see OB- + stāre, to stand; see stā- in the Appendix of Indo-European roots.] |
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