Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.许多林木树种都有颈卵器, 受精以后便产生许多原胚.She latched on to his arm, hooking her other arm around a tree.她拽住他的胳膊不放，另一只胳膊抱紧一棵树。The...
He sees himself going right to the top of the tree.他预见自己在同行中将无人可及。He was a huge man, built like an oak tree.他是个大块头，结实得像棵橡树。The driver failed to negotiate a bend and ran into a tree.司机没能顺利拐弯，撞到了树上。...
He was not someone to be trifled with.对他可不能小觑。No man in Tabriz trifled with the executioner.在大不里士没人敢轻视行刑者。The text is not to be trifled with.原文不应被轻视....
Conducting polyaniline ( PANI ) and poly - O - methylaniline ( POT ) were prepared by chemical oxidation method.用化学氧化法制备导电聚苯胺 ( PANI ) 和聚邻甲苯胺(POT ).Objective : To develop a method for determination of the N - methylanili...
没人觉察出他所承担的痛苦。No one suspected the anguish he carried on his shoulders.我能觉察到有什么事很不对头。I could see that something was terribly wrong.普罗斯特已经觉察到可能会发生什么事。Prost had sensed what might happen....