初生合点吸器沿着胚珠的维管组织分支.The primary chalazal haustorium ramifies around the vascular tissues of the ovule.大多数种子的形成是从胚珠受精开始的.Seed development in most instances commences following fertilization of the ovule.只有少数林木可以从未授粉的胚珠发育成有活...
He took Sabrina to one side and told her about the safe.他将萨布丽娜拉到一旁，悄悄告诉她关于保险箱的事。He gave Sabrina a quick nod of acknowledgement.他朝萨布里娜快速点点头,示意看到了她.Sabrina jumped nimbly out of the van.萨布丽娜敏捷地跳出货车。...
雪花如刀割般刮在他的脸上，他绷紧了双肩。He braced his shoulders as the snow slashed across his face.简把肌肉绷紧，不让它们颤抖。Jane tensed her muscles to stop them from shaking.她看见他的下巴绷紧，脸色煞白。She saw his jaw tighten and his face lose its colour....