Launch had been planned for early February, but it was delayed to repair a hydrogen leak and, more recently, to give engineers time to fix a helium pressurization problem in the rocket's upper stage. Launch is now on hold until at least April 1.
for (let i = n - 1; i = 0; i--) {，这一点在safew官方版本下载中也有详细论述
Фото: Valentyn Ogirenko / Reuters，更多细节参见Line官方版本下载
const input = Stream.pull(source, transform1, transform2);
Kevin Church/BBC News