Bom
abbr. 物料清单（Bill of Materiel）
🗣️ 情景例句
Is Miss Zhang in?
张小姐在吗？
Beauty may have fair leaves, but bitter fruit.
美丽的花或许长好叶，结苦果。
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。