您要查找的是不是：
- the rick burden 风险负担
- The boy stood under the rick before mentioned, and every few seconds used his clacker or rattle briskly. 那孩子就站在前面说过的那个麦垛下面，每隔几秒钟，就把他那个哗啦板儿轻快地一
- The smoke was at its thickest at this corner of the rick, but Gabriel never stopped his work. 盖伯瑞尔呆的这个角上浓烟滚滚，但他却一刻也没有停歇。
- He wasn't rid of the mental burden. 他摆脱不了精神负担。
- Results:The rick factor of PHC was closely related to HBV infection.The total of rate for HBV infection in the patients with PHC was much higher than that of non-PHC(79.5% vs 19.5，P＜0.01). 结果：湛江市青年人原发性肝癌与乙型肝炎病毒(HBV)感染密切相关，HBV总感染率为79.;5%25，明显高于对照组19
- The burden on his back seemed to be crushing him to the earth. 他背上的重负似乎要把他压倒在地。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- You didn't embarrass me in the slightest. 你一点也没让我为难。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- He arrived at the meeting place beforehand. 他提前到达会面地点。
- He beckoned to me from across the street. 他在马路对面向我招手致意。
