仅仅50毫克的咖啡因就能产生药理效果。As little as 50mg of caffeine can produce pharmacological effects.凭经验估计，一杯过滤咖啡约含80毫克咖啡因。As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.每次服用大约60毫克，每天最多4次，或遵医嘱。Take approximat...
A second click of the Format - Undo button would reverse the italicize operation.再输入更多的文本,按下格式撤销键,结果仅仅是段落的缩进撤销了.In this book, we italicize stand out from the normal program text.本书中, 注释排成斜体以区别于一般程序文本....
They talked modestly of their valiant efforts to keep the tanker afloat.他们说起自己设法使油轮漂浮的英勇之举时非常谦虚。She made a valiant attempt not to laugh.她试图强忍住不笑出来。Despite their valiant efforts, they were unable to save the child's ...
"What if there's nothing left at all?" he cries, lost in some intense existential angst.“要是什么都不会留下呢？”他叫喊道，陷入了对自身存在的深度焦虑。Formal logicians are not concerned with existential matters which are precisely what artists ar...
She noticed her own proud walk had become a shuffle.她意识到自己趾高气扬的步伐已变成了拖着脚走路了。The handles stand proud of the doors of the car.把手位于车门之外。He is proud of his reputation as a seducer of young women.他很得意自己“芳心猎手”这一名声。...