Serpentine often contains some asbestos , and should be used with caution .因为蛇纹石往往包含了一些石棉，收集时应谨慎。...serpentine woodland pathways.蜿蜒的林间小路The method is presented for preparation metasilicate pentahydrate from residue after...
the serpentine course of the river蜿蜒曲折的河道Serpentine often contains some asbestos , and should be used with caution .因为蛇纹石往往包含了一些石棉，收集时应谨慎。One part of the Serpentine is kept for swimmers.蜿蜒河的一段划为游泳区....
She was within sight of Navratilova'srecord of seventy-four consecutive wins.她已经逼近了纳夫拉蒂洛娃74连胜的纪录。Martina Navratilova has never been afraid to speak her mind.玛蒂娜·纳芙拉蒂洛娃从来不害怕说实话。Between 1987 and 1990, Steffi Graf larg...
Rotary's primary responsibilities include fundraising, advocacy, and volunteer recruitment.扶轮主要的责任包括了募款 、 倡导和招募义工.Active & negative factor of indebted management, and keeping away of fundraising risk.负债经营对企业的积极 和 消极...
有时他会倒嚼我们喂给他吃的食物，因为他无法吞咽。Sometimes he regurgitates the food we give him because he cannot swallow.手术后你咀嚼和吞咽都会感到困难。After the operation you may find it difficult to chew and swallow.什么食物都要先嚼碎再吞咽。Always chew food well before...