Good luck is when an opportunity comes along and you're prepared for it. 好运就是当机会来临时，你早已做好了准备。Someone comes in every day to check all is in order.每天都有人来检查是否一切都井然有序。They don't accept any foolishness when it comes...
氨基酸是弱酸和弱碱, 因此, 它们是很好的缓冲剂.Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents.缓冲剂可以像烤面包的苏打粉那样使用,它们都能够使ph值保持稳定.Buffers can be used like baking soda will help keep ph stable.着重叙述了缓冲剂原理及...
我们服的药相对来说药性温和，但是我们却在把它们变成毒药。We're taking relatively benign medicines and we're turning them into poisons.我试图去够脚刹，但是没能踩到。I tried to reach the foot brakes but I couldn't.这听上去也许微不足道，但是，相信我，它十分重要！This may soun...