A lightfast-sailing ship, in early use especially for the conveyance of royal or other important persons.
一艘轻便、高速的帆船,早期被用于运输皇室成员或其他要人。
2
The invention relates to methanol fuel security additive. Its components weight percentages are as follows: disperse brilliant blue 40-45%, spirit lightfast blue 45-50, and methanol 10%.