517. The engineer examined the engine of the mining machine for stomach.

　　工程师检查采矿机的发动机是否有肚子痛。

　　518. The submitted submarine on the magic magazine is shining and magnificent.

　　魔术杂志上那艘提交的潜艇闪亮而壮观。

　　519. Thus the enthusiastic dumb man thumbed the humble man's umbrella.

　　于是热情的哑巴用拇指拨弄谦卑男子的伞.

　　520. The trembles of the umbrella assembly lines have resemblances.

　　这些雨伞装配线的抖动有相似之处。

　　521. I'm interested in why he is arrested while resting in aural restaurant in the forest.

　　我对他为何在森林里的香味餐馆歇息的时候被捕感兴趣。

　　522. I guess the guest's gesture suggested that he could not digest well.

　　我猜想客人的手势暗示了他消化不良.

　　523. The pretty priest protested the contest of protein test.

　　漂亮牧师抗议蛋白质化验赛.

　　524. “What a marvelous carving!” the starving harvester in vest said.

　　“好一件神奇的雕刻!”挨饿的穿着背心的收割者说.

　　525. During the festival the investor investigated his ancestor.

　　节日期间投资者调查了他的祖宗.

　　526. Subsequently the eloquent man frequently asked the consequence of quenching in sequence.

　　其后雄辩者频繁地询问顺序灭火的结果.

　　527. In this semester the westerner thinks Chest Orchestra is the best.

　　这学期西方人认为箱子乐队是最好的乐队.

　　528. Henceforth, the north wind is worthless to the northerners.

　　从今以后，北风对北方人没有益处。

　　529. On the eastern Easter feast, at least one beast's breasts were tested with yeast.

　　在东部复活节宴会上,至少有一头牲畜的乳房被用酵母做了试验.

　　530. The young youths lounged in the south mouth of the cave for one month.

　　无经验的青年们在南洞口闲荡了一个月.

　　531. The bird nests only in northeast, northwest, southeast and southwest lest it be found.

　　此鸟只在东北、西北、东南和西南筑巢,以免被发现.

　　532. The airport and seaport are important to import and export of portable goods.

　　机场和海港对于进口和出口轻便商品很重要.