🧩 词语组成解析
shovel
['ʃʌvl]
n. 铲子，铁锹;铲车;一铲;铲状物;
vt. 铲，铲出;用铲子挖;把…胡乱投入;铲除，挖清;
vi. 铲;
board
[bɔ:d]
n. 板;董事会;甲板;膳食;
vt. 上（船、车或飞机）;收费供…膳宿;使搭伙，使寄宿;强行登（船）;
vi. （火车、轮船、飞机等）接受乘客;搭伙，寄宿;
🗣️ 情景例句
His books exposed people to new ideas.
他的书使人们接触了新思潮。
The demand for our products has kept rising.
要求定购我们产品的人越来越多。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，