1. a room 12 ft. by 15 (12피트에 15피트의 방) 2. pay a worker by the piece (한 건당 얼마로 노동자에게 품삯을 주다) 3. in days gone by (예전에는) 4. a Frenchman by birth (태생은 프랑스인) 5. It's five o'clock by my watch. (내 시계로는 5시다)
[중2] 천재
1. In fact, many of them were built by Koreans. [10과] 2. By the way, when will he be back? [10과]
