外文: foreign language (written)...
随时随地: anytime and anywhere...
强加: to impose, to force upon...
龟: tortoise, turtle...
预计: to forecast, to predict, to estimate...
低估: to underestimate, to underrate...
竹竿: bamboo, bamboo pole...
衰竭: organ failure, exhaustion, prostration (medicine)...
复杂: complicated, complex...
光滑: glossy, sleek, smooth...
