nulla英'nʌlə美'nʌləCOCA²²⁰²¹⁵BNC¹⁷³⁹⁹⁵⁺²iWeb⁵⁹²⁹⁴ 基本例句 计空的 Like the minimalist theft-proof bicycle by Chris Boardman, the Nulla has no hubs or chain drive for perhaps the sleekest, most futuristic look yet. 就像 Boardman的最简防偷自行车，这辆车也没有拉幅和传动链，这也是它看起来超现代的原因。 yeeyan