Alcohols
n. 醇類, 單醇類；多醇類；雙醇類（alcohol復數形式）
??? 情景例句
autograph copies for the guests at the opening?
在展覽開幕時為客人在書上親筆簽名呢
To facilitate carrying, rope or metal handles are indispensable and should be fixed to the boxes.
為便于搬運，繩子或鐵把手不可缺少，并將其固定在箱子上。
When the bees came back to the hive, Von Frisch saw a curious sight.
當蜜蜂返回蜂箱時，馮·弗里施看到一個奇特的現象。