steel是什么意思 音标: 英 [sti:l] 美 [stil] n. 钢, 钢制品, 钢铁, 坚硬, 坚固a. 钢的, 钢制的, 钢铁业的, 坚强的vt. 使坚强, 钢化, 使冷酷 n. an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a...
steel是什么意思 n. 钢, 钢制品, 钢铁, 坚硬, 坚固a. 钢的, 钢制的, 钢铁业的, 坚强的vt. 使坚强, 钢化, 使冷酷 n. an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide rangen. knife sharpener...