Deballast
排放压舱水
🗣️ 情景例句
Oh, it's so beautiful, Marilyn!
噢， 它好漂亮 Marilyn
Who is it? Come down.
是谁？下来。
The slope averages about 1 in 30, but contains steep,
坡度平均约为1/30，但其中包括陡峭的，