Perrhenate
高錸酸鹽
??? 情景例句
and I'll think of a surprise.
我來想出一個(gè)驚喜。
We need them urgently.
我們急需這些資料。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一個(gè)氣墊來支撐船體，低壓空或軟墊，軟墊周圍用高壓空氣環(huán)繞。