...a tall shrub with shiny compound leaves.长有油光闪亮的复叶的高株灌木Arbor seeding occupies only 0.216 % , shrub 0.212 % and liane 1.046 %.等优势种所构成的草本植物(98.527%)为主,乔木幼苗个体比例在调查中只占到0.216%, 灌木、藤本分别占0.212%和1.046%.There is a small evergre...
Morrison took the news badly and from then on his spirits noticeably sagged.这消息对莫里森打击很大，从那以后，他明显萎靡不振。Standards of living were deteriorating rather noticeably.生活水平下降得十分明显。She has one slightly withered leg, noticeably thin...
解释为什么钡能形成过氧化物而铍则不能。Explain why barium forms peroxide but beryllium does not.然而铍的毒性限制了它的作用.However the toxic properties of beryllium limit its application.但如果用铝包覆铍,则可避免加工过程中及储存期间的中毒问题.Toxicity problem in manufacturing and...