[00:05.32]demanding:a.苛求的，高要求的 [00:07.33]demonstrate:vt.演示，说明，论证，表露；vi.示威 [00:09.61]dense:a.密集的，浓厚的；愚钝的 [00:11.62]deny:vt.否定；拒绝；否认 [00:13.65]departure:n.离开，出发，...
