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- It is your first nature to be unconditionally loving. It is your second nature to choose to express your first nature, your true nature, consciously. 无条件的爱是你的第一天性，而你的第二天性是自主的选择何时展现你的第一天性，你真正的天性。
- Adam is the first natural earred dog ever win an AMSC Sweepstakes!!! 它是第一只获奖的未裁耳小雪!!!
- This paper analyzes the problem of recovery methanol from sewage containing methanol of first natural gas treatment plant of Changqing gas field. 分析了长庆气田第一天然气净化厂甲醇回收装置运行中存在的问题。
- Amurensins B (2), C (3) and J (10) were the first naturally occurring resveratrol trimers and tetramer with a cis dihydrobenzofuran moiety. 在Amurensins B(2)，C(3)，J(10)的结构中都具有一个顺式苯骈二氢呋喃环，它们是首次发现的具顺式苯骈二氢呋喃环的天然低聚?类化合物。
- Fathermore it is also proved that the approach of correctional coefficient may lead to lower frequencies, especially for the first natural frequency. 用推荐的流固耦合计算方法，分别计算了浸入水中船体单臂和双臂尾轴架的固有频率，进一步证明了修正系数法导致了偏低的频率，特别是基频的计算值。
- The navy is sail through to the peninsula of Greece, the ground force makes a detour in Thrace the first natural barrier pool and green valley of Greece are attacked northwards. 海军直航希腊半岛，陆军则绕道色雷斯向北希腊的第一天险潭碧谷进攻。
- Leaving her first job was a watershed in her life. 辞去她的第一份工作是她生活中的一个转折点。
- It is shown that the effects of the stiffness and inertia of the piezoelectric element that lead to higher first natural frequency on the natural frequencies of the beam are significant, and that of the elastic modulus of the bonding layer is small. 研究表明，压电元件的刚度和惯量对梁的频率影响很大，变截面智能压电梁的一阶固有频率总是高于等截面梁的固有频率。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- In the word "mother" the stress is on the first syllable. 在"mother"这一字里，重音在第一个音节上。,在＂mother＂这一字里，重音在第一个音节上。
- His illness was more serious than the doctor first thought. 他的病较医生原来以为的更严重。
- In the first chapter of this thesis, we discuss the synthesis of Kaitocphalin, the first natural antagonist of AMPA/KA receptor, which isolated from marine alga in 1997 by Japanese chemists. Kaitocephalin 是日本化学家在1997年，从海洋藻类生物中分离得到的第一个AMPA/KA 受体拮抗剂。
- Passengers with cars must embark first. 带汽车的乘客必须先上船。
- Bob teed off on the new pitcher's first delivery. 鲍勃猛击那新投手所投的第一个球。
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- She struck up the first carol on the grand piano. 她在那架大钢琴上演奏起第一支颂歌。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- Slop out the waste basins first when you get up. 起床的第一件事是把例盆倒了。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- They drew lots for the right to go first. 他们抓阄儿决定谁先走。
