身材瘦削而且训练艰苦的女运动员行经可能不那么频繁，或者根本不来月经。Lean hard-training women athletes may men-struate less frequently or not at all.妇女的平均月经周期是28天。The average length of a woman's menstrual cycle is 28 days.她于13岁开始有正常的月经,周期为28～32天,有轻度的...
他们发行一定数量的可公开交易的股票。They issue a fixed number of shares that trade publicly.这张精选集在1984年首次以唱片形式发行。This compilation was first issued on vinyl in 1984.重新录制的特别版《卡萨布兰卡》发行了。A special remastered version of Casablanca is being rel...
Li minority children who have no toys play a piglet.缺少玩具的山区黎族儿童把小猪当作宠物.Importers flooded the market with cheap toys just before Christmas.进口商们在圣诞节前大量拋售廉价玩具.Net surfers can use their credit cards to pay for anything from ...