bulk something ↔ out phrasal verbphr v BIGto make something bigger or thicker by adding something else 使膨胀;使更大[更厚] We can bulk out the report with lots of diagrams. 我们可以加进许多图表,使报告的内容更充实。
bulk out• Cesar sat beside him, his bulk filling out his expensive, flashy gangster's suit.
→ bulk something ↔ out at bulk3(2)