Bicarbonate tolerance test

bicarbonate [[bai'ka:bənit]]

n. 重碳酸盐\\n[化] 碳酸氢盐; 酸式碳酸盐

tolerance ['tɑlərəns]

n. 宽容，容忍;限度;公差;耐药量，耐药性;

toler容忍 + ance 表示状态、情况、性质、行为→ n.忍受，容忍；公差

test [tɛst]

n. 试验;考验;测验;化验; vt. 测验;考查;考验;勘探; vi. 受试验;受测验;受考验;测得结果;

test =test,tuitness,表示”测试,证据”

Is it that serious a problem, Grandpa?

这个问题有那么重要吗，爷爷？

My favorite bone!

我最喜爱的骨头！

Undivided attention is another sign of respect. You may have noticed that very few people listen with complete attention. Most people half-listen, and if you ask them to repeat what you have just said, they cannot. They may appear to be listening, but i

“专一”是尊重对方的另一表现。你也许察觉到很少有人一心一意地听别人讲话。多数人只是半心半意地听。如果你请他们复述你刚才说过的话，他们是不可能复述出来的。他们可能看上去是在听着，但是事实上有许多事情在他们头脑里转来转去--购物清单呀，要做的事呀，令人烦恼的事?2274