hardboard

n [U] stiff board made of compressed and treated wood-pulp 硬质纤维板（由木浆经加压处理後制成）.

hard of hearing, hard porn, hard sauce, hard shoulder, hard water, hard-and-fast, hard-bitten, hard-boiled, hard-headed, hard-hearted, hard-hitting, hard-line, hard-liner, hard-nosed, hard-pressed, hard-top, hard-wearing, hard-working, hardback, hardbitten, harden, hardened, hardheaded, hardiness, hardly, hardly any, hardly ever, hardly...before/when, hardly...when, hardly...when..., hardness, hardship, hardware, hardwood, hardworking, hardy, hardy annual, hare, hare-brained, harebell,