种皮上留有种脐或种痕.The seed coat is marked with a hilum or seed scar.偶而, 脐周淋巴结可触及.Occasionally, lymph nodes can be found in the vicinity of the umbilicus.方法体外培养人脐静脉内皮细胞,通过传代形成细胞的衰老模型.Methods Human umbilical vein endothelial cell...
他也想用这些水灌溉荒漠。He also wants to use the water to irrigate barren desert land.只有乘直升机才能进入那遥远的荒漠地区。The remote desert area is accessible only by helicopter.索马里大部分地区都是荒漠。Somalia is mostly desert....
他轻松战胜了星期六击败厄尼·埃尔斯的加西亚。He easily overcame Garcia, Saturday's conqueror of Ernie Els.哥伦比亚队凭借流畅的传球和终场前的制胜进球击败了他们。They were outplayed by the Colombians' slick passing and decisive finishing.温斯顿·丘吉尔在1945年的大选中被击败。In ...
经过一星期的谈判,他们的食糖生意成交了.They closed the deal in sugar after a week of negotiation.我把面粉和食糖分别放在罐子里，并将玻璃盖子紧紧地盖上。I keep the flour and sugar in individual jars, sealed tight with their glass lids.避免婴儿摄入食糖的最好办法是让其回归自然的饮食，多吃新鲜水果。Th...
The different interlacement and alternation of all above four of rhythm speeds make daedal narration rhythm.以上四种节奏速度的不同穿插和交替运用,可以构成千变万化的叙述节奏.Travelling at speeds of up to thirty five knots, these hovercraft can easily ou...