係
1、③⑥。
极地涡旋是冬季风形成的一个风系。
The polar vortex is a system of wintertime winds.
带子在背后交叉,然后系在腰部。
The straps cross over at the back and are tied at the waist.
没有如何把背带系在箱子上的说明。
There were no instructions on how to fasten the carrying strap to the box.
土星是太阳系的第二大的行星。
Saturn is the second biggest planet in the solar system.
他把那条缆绳系在他的腰上。
He tied the rope around his waist.
他把塑料袋的两头系在一起。
He tied the ends of the plastic bag together.
这是系里一年中最忙的时间。
This is one of the busiest times of the year for the department.
历史系是文理学院的一部分。
The history department is part of the College of Arts and Sciences.
这个系在癌症研究方面走在了世界前列。
The department led the world in cancer research.
那个结系死了,没法解开。
The knot was fastened in such a way that it was impossible to undo.
你系的那条领带太艳丽了。
That's a jazzy tie you're wearing.
他穿上那双厚重的绒面革皮鞋并系好鞋带。
He pulled on his heavy suede shoes and tied the laces.
有一条布系在狗项圈上。
There was a piece of cloth tied to the dog's collar.
这张图片展示太阳系9个行星中的6个行星。
The picture shows six of the nine planets in the solar system.
我得系领带吗?
Do I have to wear a tie?
泰德六岁时,我们决定让他知道怎样系和解他的安全带。
When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt.
太空船使得科学家可以研究太阳系中一些不为人知的角落。
The spacecraft will enable scientists to study some dark corners of the solar system.
请系好鞋带。
Tie your shoes, please.
我心与君系。
My heart ties with yours.
我把夹克的拉链拉上,系好扣子。
I zipped and buttoned my jacket.
他把印花大围巾系在他的脖子上。
He knotted the bandanna around his neck.
他关掉发动机,抓住了系船的绳索。
He cut the engine and grabbed the mooring lines.
我用绳子将自己系在了那个烟囱上。
I roped myself to the chimney.
这件连衣裙是在后背系扣的。
The dress fastens at the back.
我们很快就要着陆,请您系好安全带。
We shall be landing shortly. Please fasten your seatbelts.
他把绳子打了环系在木头上。
He looped the rope over the wood.
巴里正坐在床上系一双旧跑鞋的鞋带。
Barry was sitting on the bed, tying the laces of an old pair of running shoes.
她迅速钻进她的迷你车并系好安全带。
She got quickly into her Mini and fastened the seat-belt.
她把皮带松松地系在腰上。
She fastened the belt loosely around her waist.
他把带子牢牢地系在一起。
He knotted the laces securely together.