Undecylprodigiosin
十一烷基灵菌红素
🗣️ 情景例句
my grandfather is
我爷爷
We are thinking of expanding into the Chinese market.
我们想把生意扩大到中国市场。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。