边材含有木质导管, 但不如中心木质那样坚硬.Sapwood contains xylem vessels, but not as strong as heartwood.毛白杨边材材色株间存在显著差异.Thecolor of sapwood of Chinese white poplar among trees has significant difference.边材色稍浅,仅导管槽带有红色.Sapwood pale colored ...
Medullary carcinomas can be sporadic or familial.髓样癌可以是散在单发,也可以是家族性发病.Most of the smaller hornblendite bodies contain about 5 - 10 percent magnetite, with only local sporadic enrichment.在小的角闪岩体中,磁铁矿可占510%, 仅有局部的散染状富集.Sud...
A customer buried in reading matter is a common sight in even the most lowbrow caf é.即使在最简陋的咖啡馆,埋头读书的消费者仍是里面的常见一景.His computer makes this place look like an internet caf?而他的电脑使这个地方比起来就像个豪华咖啡吧?...a riverside café河畔咖啡馆I sa...
Four of the cast jacked it in about Christmas.圣诞节前后剧组中有4个人退出了。The bridge was high, jacked up on wooden piers.桥很高，被几个大木墩托起。They jacked up the car.他们用千斤顶托起了汽车。...
He was instructed to inspect the cargo on the ship and detain such cargo if necessary.他奉命去检查船上所载货物并于必要时扣留该项货物.Two policemen held up a truck so as to inspect the driver's license.两个警察让一辆卡车停住以便检查司机的驾驶证。Elaine went out...