Minute fragments of shoot apices are proverbially difficult to culture.微小的茎尖切段通常是难以培养的.This concept has now been replaced, for stem apices, by the tunica - corpus theory.此观点目前已经被原套原体学说所取代....
The timbers groan and creak and the floorboards shift.这些木头在吱吱嘎嘎作响，木地板有些摇晃。The rats skittered around them in the drains and under the floorboards.无论是下水道里，还是地板下面，都有许多耗子绕着它们蹿来蹿去。Screw down any loose floorboards.用螺钉固定住所有松动的地...
在纪录片《与恐龙同行》中可以看到最新的、更加生动的电脑特效技术。Recent, more dramatic use of CGI was seen in "Walking With Dinosaurs".他利用半透明瓷漆绘制出鲜艳生动的图画。He relied on translucent enamels to produce vivid, glowing pictures.对海上生活生动的描述a picturesque descrip...
他继而夺取冠军宝座。He went on to take the championship.他通过弑君登上了沙皇宝座。He had become czar through regicide.孙悟空春风满面, 高登宝座.Sun Wukong , his face lit up with youthful vigour, climbed up onto his throne....