那位读者已经欣然将丝线铺散在现成的面包上: the reader already readily spread the thread on the ready-made bread
必须: must; have to; be obliged to ; necessary 短语和例子必须指出 it must be pointed out that ...; 我们必须服从命令。 we must obey orders. 你必须按时到达那里。 you must be there on time. 我们必须马上出发。 we must start at once