请于今日将随函附上的捐款表格用所提供的邮资预付的信封寄回。Return the enclosed Donation Form today in the prepaid envelope provided.请寄上18.99英镑的支票，外加2英镑的邮资和包装费。Send a cheque for £18.99 plus £2 for postage and packing.邮资单据不能当作收据。Proof of postage will n...
人造丝比天然丝更易起皱 吗 ?Does artificial silk crease more easily than natural silk?羊毛比人造丝厚实.Wool has more body than rayon.人造丝是仅次于棉花的使用得最广泛的织物。Rayon rank second only to cotton as the most widely used fiber....