Researchers have realized that the good effect in the treatment, the virus was not detected in blood, some T-cells and other cells appears to have a very low level in order to generate a new virus.

研究人员也意识到，在治疗效果很好、血液中检测不到病毒的情况下，一些辅助性T细胞和其他细胞似乎也在以极低的水平产生新的病毒。

youdao

Sure, there'd be some new particular puzzle you hadn't seen before, but you'd sort of step up a level and say, "Although I haven't seen this particular one before, I've seen crossword puzzles before.

当然肯定有你没见过的特殊填字游戏，但你会退一步说，“虽然我没见过这个特殊的填字游戏，但我见识过填字游戏。

耶鲁公开课 - 死亡课程节选

Why doesn't the warranty restore the battery to the same level as a brand new one?

ENGADGET: Nissan upgrades US Leaf warranties, will 'restore' batteries that lose too much charge

Optional radio censorship isn't the only new feature for MyKey, which allows owners to program a key to fit their specific level of paranoia -- the new version allows parents to set top speeds between 65 and 80mph, instead of the previous fixed cap of 80mph.

ENGADGET: Ford MyKey adds radio censorship to further control teen driving habits

The studies must "maintain or improve skills" above the minimum level required in a current trade or business, and they can't lead to a new license or line of work.

WSJ: Nurse's Tax Win Raises Hope for Other Students