重點講解:
1. at the center of 中心;核心;
Being at the center of scientific and popular attention will not be easy for them.
成為科學和公眾注意的中心對他們來說不會是一件易事 。
2. at the moment 此刻;目前;眼下;
At the moment, no one is talking to me.
此刻沒人跟我說話 。
3. take control of 控制;掌管;取得對……的控制;
He failed in his attempt to take control of the company.
他試圖掌控公司,但以失敗告終 。
4. keep on hold 延遲;暫緩;擱置;
Seoul should keep rates on hold.
首爾方面應維持當前利率 。
n. 光譜,范圍,系列