These could, if injected into the bloodstream, deliver a dose over a longer period than the sudden hit that comes with a traditional injection.

若将其注射到血液中，与传统注射的立即大量给药相比，药物可以在更长的时间内逐渐释放。

youdao

Ensuring that such a leak never occurs could require monitoring the injection site for a very long period of time - from hundreds to tens of thousands of years.

要想确保永远不发生这样的泄漏可能需要对注入地点进行很长时间的监测——也许数百年，也许数万年。

youdao

In the postmarketing period, additional cases of injection site reaction with features including induration, cellulitis, hematoma, abscess, sterile abscess, and necrosis, have been reported.

在该药上市后期间，已报道发生其他包括以硬结、蜂窝织炎、血肿、脓肿、无菌脓肿以及坏死为指征的注射部位反应事件。

youdao