Migrant workers are vulnerable to exploitation.流动工人易受剥削.The area was an important resting place for many types of migrant birds.这个地区是多种候鸟的重要栖息地。Migrant birds shelter in the reeds.候鸟在芦苇丛中筑巢。...
I dropped a quarter into the slot of the pay phone.我向付费电话的投币孔里投了一枚25分硬币。Next time use a pay phone and call me.下次,用公用电话给我打电话.I tried to find a pay phone, but the receiver broke down.我想找个投币电话的, 但是话筒坏掉了....