a forecastle deck的用法和样例：
- The forecastle deck will have small sheer for drainage.
- Finally, I always go to sea as a sailor, because of the wholesome exercise and pure air of the forecastle deck.
- Bridge deck, poop deck, main deck, forecastle deck shall have total 9 life buoys.
- The mooring support structure was transported to DNS and pre-installed on forecastle deck of the FPSO by a gantry crane at dry dock.