The stinging nettle has a square stem and little hairs.荨麻长有四方茎和细小茸毛。A stinging slap across the face jolted her.火辣辣的一巴掌打在脸上，她惊呆了。The stinging slap almost caught his face.那狠狠的一巴掌差点搧在他脸上。...
The dural is the fin tissue covering the inside of the skull.硬脑膜是覆盖在颅骨里面的鳍状物组织.Key words: dural tear, degeneratie lumbar surgery, repair, reoperation, complication.关键词: 硬膜囊破裂, 退变性腰椎手术, 修补, 再手术, 并发症.The treatment dural ar...
A variety of mechanical surfaces have been employed for deflecting the exhaust jets of solid - propellant rockets.人们已经用过各种类型的机械控制面来偏转固体推进剂火箭的排气流.A solid headspace capillary gas chromatography for the determination of res...
The memory expansion cards are useful adjuncts to the computer.内存扩充卡是计算机很有用的附件。the expansion and contraction of the metal金属的膨胀与收缩a period of rapid economic expansion经济迅猛发展期...