短語詞組短語Boat rock drill 鉆巖船charter boat drill 救生演習brear end boat drill 救生演習boat drill signal 救生演習信號Evacuation and Boat Drill 撤離和救生艇演習life boat drill 沉船法則drill boat 鉆探船;鉆探船教練船;教練艇Rock drill boat 鉆巖船drill l boat 鉆探船 返回 boat drill