| 释义 |
DEFINITIVE EXAMPLES 权威例句〔beanbag〕An article, such as a chair or the base of an ashtray, that is constructed as a bag filled with small pellets.豆袋椅：结构象塞满石弹的物品，如椅子或烟灰缸底座的美国传统〔conformation〕One of the spatial arrangements of atoms in a molecule that can come about through free rotation of the atoms about a single chemical bond.构象：单一化学原理中通过原子的自由旋转而形成的分子中原子的空间排列美国传统〔sum〕The charity pays a nominal sum to lease the premises.该慈善机构象征性地支付了一点儿钱，租用了这片地产。牛津搭配 |