什么昆虫有一对翅膀，什么昆虫有二对翅膀？

What insects have one pair of wings? What insects have two pairs of wings?

youdao

如果可能的话，下周二对我最合适。

Tuesday next week would be best for me, if that's possible.

youdao

第二对括号调用函数。

The second set of parentheses calls the function.

youdao

So, she is interested in how this molecule, gemcitabine, inhibits an enzyme. So, to do those studies, she needs to know a lot of the stuff on this list.

她对这个分子，二氟脱氧胞嘧啶核苷怎么抑制酶很感兴趣，要做这些研究。

麻省理工公开课 - 化学原理课程节选

The crucial premise since we're giving Plato number one the crucial premise for our purposes is premise number two.

最关键的前提是,我们已经承认了前提一,所以对我们来说最关键的前提是前提二

耶鲁公开课 - 死亡课程节选

For the sulfur, we start off with 6 valence electrons, minus 4 lone pair electrons, minus 2, taking in account our bonding electrons, so we end up with a formal charge of 0.

对于硫，我们从六个价电子开始，减去四个孤对电子，再减去二，算上我们的成键电子，因此最终我们有零个形式电荷。

麻省理工公开课 - 化学原理课程节选