另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.蕨类植物和针叶树的木质部仅含有管胞.The xylem of ferns and conifers contains only tracheids.胞质流还仅仅是一种解释真菌中转移的假说.Streaming is still...
I have cut down its cedars, the choicest of its pines.我要砍伐其中高大的香柏树和佳美的松树.He checked into Cedars Sinai Hospital to dry out.他住进雪松西奈医院去戒酒。Open thy doors, O Lebanon, that the fire may devour thy cedars.1黎巴嫩哪, 开开你的门, 任火烧灭你的香柏...
Your pencil box has several compartments.你的铅笔盒有好几个格.The first - class compartments are in front.头等车室在前头.The ship's hold is built in watertight compartments.船舱建造成许多不漏水的隔间....
All shades of mauve, lilac, lavender and purple were fashionable.深深浅浅的各种木槿色、丁香色、熏衣草色和紫色都是流行色。Her hair smelt of lilac.她的头发散发出丁香花的香味。The air was filled with the scent of lilac.空气中弥漫着丁香花的芬芳....
The dancers swayed to the music.跳舞的人随着音乐节奏摇摆。Her body swayed in time with the music...她的身体随着音乐节拍摆动。She wore a short skirt that swayed enchantingly as she walked.她穿的短裙随着她走动而迷人地摆动着.Don't ever be swayed by fashion.永远不要...
He whiled away an hour or two vaguely at clubs.他百般无聊地在俱乐部里消磨了一两个钟头.We whiled away the time at the airport reading newspapers.我们读报消磨掉在机场候机的时光.We whiled away the holidays by climbing mountains and hunting.我们爬山、打猎、愉快地度过了假期....
飞机攀升到370英尺时，开始偏航。As the plane climbed to 370 feet, it started yawing.两只吊舱的独立俯仰和偏航均会产生噪声.Independent pitch and yaw of the two birds produce noise.只有对接近于轴对称的飞行器,俯仰与偏航的耦合才能略去.Pitch - yaw coupling can be neglected only for n...