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单词	sustenance
释义	sus·te·nance (sŭstə-nəns) n. 1. The supporting of life or health; maintenance or means of livelihood: The factory provides sustenance for half the town. 2. Something, especially food, that sustains life or health: looking for sustenance in the kitchen. 3. Something that sustains something else; essential support: researchers seeking financial sustenance. [Middle English, from Old French, from sustenir, to sustain; see SUSTAIN.]
随便看	have (one's) back up have one's back up have (one's) eye on have one's eye on have (one's) feet on the ground have one's feet on the ground have one's fingers crossed have one's head up ass have (one's) head up (one's) ass have one's head up one's ass have one's heart in mouth have (one's) heart in (one's) mouth have one's heart in one's mouth have (one's) heart in the right place have one's heart in the right place have one's nose to the grindstone have one's wits about have one's wits about one have (or keep)(one's) wits about (one) have (or keep) (one's) wits about (one) have pity on haversack haversian canal haversian system have (someone) by the balls

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。