视频对话：
Flank him! Get him now!
包抄他，把他抓住！
本期学习词汇：
flank
n.侧面；侧腹；侧边；侧翼
vt.位于……之侧面；侧面有；守侧面；攻击侧面
vi.侧面与……相接
adv.在左右两边
例句：
1. They're starting to flank us!
他们开始从侧翼围攻我们了!
2. The assault element, led by Captain Ramirez, opened up from their right flank.
拉米雷斯上尉率领的突击队从他们的右翼开火。
3. The altar was flanked by two Christmas trees.
圣坛两侧是两棵圣诞树。