In addition, the covering was strengthened by use of such materials as fine earth and strawbag, and the length and quality of stemming were guaranteed, controlling the flying rocks effectively.
此外，采用细土、草袋等材料加强覆盖，保证堵塞长度和堵塞质量，有效地控制了飞石。
2
With her children standing by, Aziza reached into a cloth bag and produced a filthy spoon, a bit of powder and a straw.
她把手伸进布包摸出一个脏兮兮的汤匙，一小撮粉末和一根吸管。她的孩子就站在旁边。
3
Often she stopped on the way to get him a plastic bag of Milo, tied shut with raffia string, a straw poking through.