常見(jiàn)例句It looks like we're back to square one.看來(lái)我們又回到起點(diǎn)了。You can draw the start or end of a line in one of several shapes called line caps.可用形狀多樣的線帽來(lái)繪制線條的起點(diǎn)或終點(diǎn)。 返回 square one