stream
n.小河，溪流;流， v.涌流(出)
a stream of abuse一连串的辱骂
strength
n.力(气);实力，力量;强度;长处I’m trying to build up my strength .我在努力增强体力。
strengthen
vt.加强，巩固Our friendship has steadily strengthened over the years.我们的友谊逐年加深。
transfer
v./ n.迁(移);调动，转学;换乘;转让
You’ll be transferred to the Birmingham office.你将被调到伯明翰办事处。
transform
vt.使改观，改革;变换，把…转换成
Increased population has transformed the landscape.人口的增加使景观发生了变化。
