文学: literature...
模糊: vague, indistinct, fuzzy...
夜间: nighttime, evening or night (e.g. classes)...
跑道: athletic track, track, runway (i.e. airstrip)...
公顷: hectare...
失踪: to be missing, to disappear, unaccounted for...
此次: this time...
由此可见: from this, it can be seen that......
减速: to reduce speed, to slow down, to take it easy...
长期以来: ever since a long time ago...
