Position balance system

position [pə'ziʃən]

n. 位置，方位;地位，职位;态度;状态; vt. 安置;把…放在适当位置;给…定位;驻扎军队;

balance ['bæləns]

n. 平衡;天平;平衡力;（酿酒配料的）均衡; vt.& vi. （使）平衡;（使）均衡;（使）相抵;权衡; vt. 结平（账目）;使（在某物上）保持平衡;使（各部分）协调;用天平称; vi. 微微摇摆;倾斜后又复平衡;动摇;被补偿;

system ['sɪstəm]

n. 体系，系统;制度;身体;方法;

sy(syn-=together)+ste(to stand)→系统；体系；秩序；制度；方法

Probably a lot of advertising and bills.

大概是一大堆广告和帐单。

I've got it!

我接住了！

OK, everyone. Less noise, please! Gather round and listen carefully. First we are going to search the beach and the rock pools. Let me remind you what we are looking for: seaweeds, fish, plants, all living things. When you find anything, make a note where

00在这里集合，游泳之后再吃午餐。别着急！我们有足够的时间。