- 重点词汇
- 相关例句
" This will give us safer and more effective vaccine delivery, " he says.
他说, “ 这样我们接受的疫苗注射就会更安全有效. ”
英汉非文学 - 生命科学 - 生物技术制药疫苗
Crop circles, when depicting a date, seem to be connected to astronomical events.
当描写一个期时, 麦田圈看起来与地理事有着关联.
网络文摘精选
The unsteady air is the most dangerous source of disturbance for astronomical photography.
不稳定的空气便是天文照相最危险的干扰源.
词典精选例句
