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- Everything from homogeneous pure chemicals to the most heterogeneous of minerals, overing the whole spectrum of the Mol hardness scale, except maybe diamond. 什么都可以，從純的均勻化學(xué)物質(zhì)到大多數非均勻的礦物，范圍覆蓋整個(gè)莫氏硬度，也許只有鉆石除外。
- Ridgways' hardness scale [化] 里氏硬度標
- HBE-3000 Electronic Brinell Hardness Tester with 10 steps testing force is able to measure hardness values with each 10 Brinell hardness scales. 電子布氏硬度計具備了10級試驗力，可分別測試布氏硬度的10種標尺。
- It is hard to imagine the scale of the universe. 很難想像宇宙有多大。
- It is hard to sleep without a cooler in this room. 沒(méi)有空氣調節器，在這間屋里很難入睡。
- John felt it hard to rig out his family. 約翰感到難以為一家大小置備衣著(zhù)。
- The hard core in the party make all the decisions. 這個(gè)黨的核心成員決定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷貝是出現在紙上、印刷上或圖表上的電腦輸出。
- I scrubbed hard at the stain to see if I could get it off. 我使勁擦這個(gè)污跡，看能不能將它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天緊張工作快結束的時(shí)候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使勁踩下煞車(chē)踏板以避免撞車(chē)。
- One can not learn a language well unless one works hard. 學(xué)好一種語(yǔ)言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 讓我們在樹(shù)液堅固成團之前將之收集起來(lái)。
- He owes his opulence to work hard. 他的財富乃辛勤工作得來(lái)。
- She was trying hard to disgorge a fish bone. 她拚命想把魚(yú)刺吐出來(lái)。
- The emery is a hard metallic substance. 金剛砂是非常堅硬的金屬物質(zhì)。
- Hard training will fit them to run long distances. 嚴格的訓練將使他們能跑長(cháng)距離。
- Seth really took it hard when his old dog died. 塞思的那條老狗死的時(shí)候，他確實(shí)怏怏不樂(lè )。
- Heavy taxes indispose a citizen to work hard. 重稅于國民不愿意辛勤工作。
- It was hard work getting the children off to bed. 哄孩子們去睡可不是容易的事。
