前: front不: a block of wood加: add; plus不加: without the or前不久: lately(总称)不加: personnel不加倍: undouble不加冰: no ice please; straight up/up; straightup/up不加厚: non upsetting; nu不加油: non-refuelling不加载: nl no-load疫不加: epoka胞前不下: retention of placenta成熟前不久: shortly before ripening赶前不赶后: it's better to hurry at the beginning than to do things in a rush at the last moment顾前不顾后: drive ahead without considering the consequences; act rashly; watch what is before him without regard for what is behind him; attend to the present and leave the future to take care of itself; consider only the present and forget about the future经前不适: premenstrual discomfort; premenstrual molimen前不负责: no risk until on rail {= n.r.t.o.r前不久,几天前: the other day史前不列颠: prehistoric britain中午前不久: shortly before noon水运前不负责: no risk till waterborne {= n.r.t.w.b与先前不同的: uncommon unorthodox瞻前不能顾后: be unable to look after everything at once装船前不保险: non risk till waterborne; non-risk till waterborne