Waiters glide between tightly packed tables bearing trays of pasta.侍者们端着一盘盘意大利面在拥挤的餐桌之间自如穿行。We stood in silence watching the snake glide effortlessly.我们噤若寒蝉地站着,眼看那条蛇逍遥自在地游来游去.So graceful was the ballerina that she just s...
Widows seem to experience more distress than do widowers.寡妇似乎比鳏夫更痛苦。We are and fatherless , our mothers are as widows.3我们是无父的孤儿; 我们的母亲好象寡妇.Even elderly widows and widowers choose to live on their own.连年迈的寡妇和鳏夫都选择独自生活.He ...
By using the complementation test an unknown mutant can be rapidly assigned to a particular gene.采用互补测验可迅速地将某一未知突变型归属于某一特定基因.When the cells were then shifted to an enriched medium, the mutant cells proliferated.然后,当细胞移入一...