The antibiotic tetracycline cause gray teeth in children whose teeth are still developing.
四环素能使仍处于发展阶段的儿童的牙齿变成灰色.
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Clinic research of one stage surgical treatment of Tetralogy of Fallot in infants.
与婴儿法洛四联症一期根治的临床研究>>相似的文献.
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目的研究儿童丘脑肿瘤的临床特征和外科治疗效果.
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It's easy to sit around and theorize, but the reward is in the action.
翘起二郎腿拍脑瓜子创造理论是在容易不过的事儿了, 但理论只有通过行动才可得到回报.
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But the biggest egg was still there. And then she settled herself on the nest again.
但最大的蛋依旧在那儿, 于是她又再坐回她的巢中.
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I thought back to the time in 1975 when my son was desperately ill...
我回想起 1975 年,那时我儿子病得很重。
《柯林斯高阶英汉双解学习词典》
