Moreover，the degree to which cones are naturally slightly open or tightly closed helps determine which bill design is the best.
(句子主干是the degree…helps determine…，从句to which cones are naturally slightly open or tightly closed作degree的定语)
而且球果自然地轻微开口或紧紧关闭的程度有助于确定哪种喙的设计是最好的。
Hygiene
版权声明：本文系网独家稿件，版权为网所有。转载须注明来源及作者，否则必将追究法律责任。
微信扫描下方二维码，第一时间知晓托福考试真题预测及解析，还有北美留学最新动态喔~(微信号：toefl120)!