桨的根部使用了高强度塑料夹片, 增加了可靠性和安全性.The grip of the blade is made of high - strength plastic, which improve the reliability and safety.嵌在货架边缘的塑料夹上的塑料卡,用以标明促销商品等.A plastic holder that clips to the shelf - edge to display promotion...
a tall round tower standing sentinel over the river镇守在河边的一座高高的圆塔We gave the watchword, and the sentinel let us pass.我们说出口令, 哨兵就把我们放过去了.The lone sentinel walked toward his post.忧愁的哨兵走向岗哨....