It's a good idea to ask if you don't understand something.

如果你听不懂，开问是最好的。

But unlike most other marsupials, koala pouches open toward the bottom.

但其它多数有袋动物不同的是，考拉袋的开是向下的。

And you see that gill opening right there?

看到这里的鳃开了吗？

Finally one of the biggest mice spoke.

后来其中一只最大的田鼠开了。

Most species can open and close their mouths to pump the water through.

大部分的物种可以透过开的方式将水运送通过鳃。

Pupils mark the hollow opening in the iris, the eye's band of pigmented muscle.

瞳孔标记虹膜中的空心开，虹膜是眼的色素沉着肌肉带。

With the sort of listening, I develop some momentum, which gets me to speaking.

通过练习听，我就有了开说话的动。

You gotta be a badass, you gotta ask for what you want.

你得做个坏蛋，你得开要你想要的东西。

But the total volume of the opening is what I have to deal with.

但开的总容积是我要处理的。

The canyons of America's Southwest are deep, ancient openings in the Earth.

美国西南部的峡谷是地球上又深又古老的开。

If you want to become a valued mentor, do not start by offering unsolicited advice.

如果你想成为一名有价值的导师，不要一开始就在对方没开的情况下主动给建议。

At this point, the unwilling parent speaks up, " Alright. Yes, I'll do it."

此时，这位不情愿的家长开说话了，“行吧，好的，我来做吧。”

Opening on the bottles is not consistent.

瓶子上的开不一致。

The vehicles had an opening at one end where electrical wires were attached.

这些小车的一端是有开的，开这端附了电线。

And as a group, the bees usually flew through the wider opening, which makes sense.

蜜蜂在集体行动时，通常会从较宽的开飞过，这合情合理。

And, some women already have pelvic openings wide enough to fit bigger heads and brains.

而且，一些女性已经有足够宽的骨盆开来容纳更大的头部和大脑。

'Well, Small, what is it? ' he asked, taking his cheroot from his lips.

他拿开里衔着的雪茄烟，问道：'斯茂，什么事？'

" Harry—" began Hermione, her eyes huge with fear.

“哈利——”赫敏开了，她的眼因为恐惧而变扩大了。

Bulging thickened secretions may be present at the orifice of the involved gland.

受累腺体的开处可出现肿胀、分泌物增加。

DNS causes obstruction of these openings due to nasal obstruction.

DNS 会由于鼻塞导致这些开的阻塞。