Platinum group
[化] 鉑系元素
?? 詞語(yǔ)組成解析
platinum
[['pl?tin?m]]
n. 白金, 鉑, 銀灰色\\n[化] 鉑Pt
group
[ɡrup]
n. 組，團(tuán)體;群，批;（雕塑等的）群像;（英美的）空軍大隊(duì);
vt.& vi. 使成群，集合;
vt. 分類(lèi)，歸類(lèi);
??? 情景例句
Do I have any late fees?
我要交罰金嗎？
Certainly.
當(dāng)然可以。
People woken during these periods of eye-movements generally reported that they had been dreaming.
在眼球活動(dòng)期間被叫醒的人都說(shuō)自己在做夢(mèng)；