Cis-1,4-polybutadiene
[化] 順-1,4-聚丁二烯; 順式-1,4-聚丁二烯
?? 詞語組成解析
[計] 中央信息系統(tǒng), 字符指令系統(tǒng), 計算機信息服務(wù), 用戶信息系統(tǒng)
[機] 聚丁二烯
??? 情景例句
Where's your grandson Robbie and his friend Alexandra?
你的孫子Robbie和他的朋友Alexandra呢？
Let me see. She has 30 minutes Tuesday afternoon.
讓我查查，她周二下午有30分鐘。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.
傾倒、焚燒、把垃圾變成再生材料或試圖少產(chǎn)生一些垃圾。