Radon
[ 'reidɔn ]
成人 Adult Edu
n. <化>氡(元素符号Rn);
📝 例句
Radon is the daughter of radium.
氡是镭的子体.
📖 牛津释义
radon
n[U]
chemical element, a radioactive gas produced by the decay of radium 氡. =>App 10 见附录10.
🔁 扩展释义
*['reidɒn]n. 氡【化】 氡Rn【医】 氡(86号元素), 镭射气
📖 同为「GMAT」词汇
hail
n. 冰雹;一阵;
vi. 下冰雹;如冰雹般地降下;
vt. 致敬;打招呼;打信号示意(计程车等)停下;赞扬(或称颂)…为(尤用于报章等);
marginal
adj. 边的,边缘的;旁注的;临界的,最低限度的;收入仅敷支出的;
orientation
n. 方向,定位,取向,排列方向;任职培训;(外交等的)方针[态度]的确定;环境判定;
debut
n. 初次露面,初次表演,首次出场,处女秀;
v. 初次表演,初次登台;
adj. 首张的,首场的,首次的;
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🗣️ 情景例句
Philip and I were living with Grandma and Grandpa. Philip
与我和爷爷, 奶奶住在一起。
Her husband doesn't think she should continue working after the baby is born.
她的丈夫认为女人生了孩子就不应该再继续出去工作了。
Was he absent from school last week?
上星期他没上学吧?
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