(单选题)
水手经常保养锚机。()
ASailors often maintain the derrick.
BSailors often maintain the winch.
CSailors often maintain the windlass.
DSailors often maintain the machine.
正确答案
答案解析
略
ASailors often maintain the derrick.
BSailors often maintain the winch.
CSailors often maintain the windlass.
DSailors often maintain the machine.