One li is equal to half a kilometer.一华里等于半公里.After running half a kilometer, I began to feel tired.跑了500米之后, 我开始感到累了.Per square kilometer approximately has 200 residents.每平方公里大约有200居民....
Their reply was too emphatic for anyone to doubt them.他们的回答很坚决, 不容有任何人怀疑。to express emphatic negation表示着重的否定The rebels are emphatic that this is not a surrender...叛乱者坚称这并不是投降。I answered both questions with an emphatic ...