Auntie Winnie wrote back saying Mam wasn't well enough to write...温妮姨妈回信说妈妈身体尚未康复，无法写信。You sit here and rest, Mam.妈妈，您坐在这儿歇一会。Particle sizes of pulverized coals are analyzed by Malvern MAM 5004 Laser Mastersizer mad...
Auntie Winnie wrote back saying Mam wasn't well enough to write.温妮姨妈回信说妈妈身体尚未康复，无法写信。You sit here and rest, Mam.妈妈，您坐在这儿歇一会。When can we go for a swim, Mam?妈妈，我们什么时候能去游泳啊？...