So if we're talking about the third period, that starts with sodium and it goes all the way up to argon.

所以如果我们谈论第3个周期，它从钠开始，一直到氩。

youdao

The third period is interwoven with the training for certificates and not for certificates and gradually moves on the latter.

第三阶段，学历培训和非学历培训交织进行且重点逐渐后移；

youdao

The month before, in February, Amy had scored a hat trick in the ice hockey game against St. Francis and then, in the third period, broken her nose.

上个月，2月的时候，艾米在对圣弗朗西斯的冰球赛里，上演了帽子戏法，之后，在第三节，被打折了鼻骨。

youdao

Having reached the penalty shootout after a hectic extra period, the Ghanaians again looked lost when they missed their third and fourth attempts from the spot.

VOA: standard.2009.10.17

So if we're talking about the third period, that starts with sodium and it goes all the way up to argon.

所以如果我们谈论第3个周期，它从钠开始,一直到氩。

麻省理工公开课 - 化学原理课程节选

s1 So for the fourth period, now we're into the 4 s 1 3d for potassium here. And what we notice when we get to the third element in 4s2 and the fourth period is 3d that we go 4 s 2 and then we're back to the 3 d's.

对于第四周期到现在我们来到钾的1,然后我们返回到,我们注意到当我们看到第三个元素,第四周期我们来到,然后我们返回到。

麻省理工公开课 - 化学原理课程节选

Daniel Ciampini completed the rout with a power-play goal at 5:19 of the third period.

WSJ: Union topples Boston College in NCAA tournament

Islanders left wing David Ullstrom left in the third period because of a lower body injury.

WSJ: Isles' Nabokov earns 54th shutout in win over TB

Henrique put the Devils up 2-1 with a short-handed goal 1:21 into the third period.

WSJ: Pominville leads Sabres in 4-3 SO win over Devils