常見例句Overpressurized zero pressure balloon system 超壓零壓氣球系統(tǒng)A balloon floated across the sky. 有個(gè)氣球從空中飄過。I don't want to be around when the balloon goes up. 要出事了,我趁早離開是非之地。I suppose you also have a caste system in your society. 我想你們的社會(huì)里也有一種等級(jí)制度。The right to dissent is part of our political system. 有持異議的權(quán)利是我們政治體制的組成部分。He burst the balloon with a prick of the pin. 他用針一戳,氣球就爆了。 返回 balloon-system