Bosun's chair
坐板
?? 詞語組成解析
chair
[t??r]
n. 椅子;大學教授職位;主持會議的主席（的席位或職位）;講座;
vt. 主持;使…入座;使就任要職;
??? 情景例句
When you arrive, be sure to register with you consulate.
你到達時，記得去領事館登記。
Have you made anything?
你做東西嗎？
How long will your offer hold good?
一般你們報價的有效期是多長？