Optional board
[计] 选择板
🧩 词语组成解析
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
and from the University of Michigan in 1956.
一九五六年从Michigan大学毕业。
My son wants to be a policeman when he grows up.
当他长大时，我的儿子想要成为一个警察。
It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
他们很快便适应了游泳，以致能捡起池底的物品。