1.
North, south, east, west
北方，南方，东方，西方
2.
North, south, east, west, east, west,
北方，南方，东方，西方，东方，西方
3.
unbias(s)ed variance
无偏方差, 均方差
4.
princess marble
方钠石(=sodalite)
5.
East is East, and West is West.
东方终究是东方，西方终究是西方。
6.
Wu dialect, Min dialect, Cantonese, Xiang dialect, Gan dialect, Hui dialect, Jin dialect, Pinghua dialect.
吴方言、闽方言、粤方言、湘方言、赣方言、徽方言、津方言、平话。
7.
The direction or position on the left side.
左方左边的方向或位置
8.
Gain cannot be made without another's loss.
一方获利，一方折本。
9.
It is very convenient to play in this way.
用这种方式打球很方便。
10.
The North waged war on the South.
北方发动对南方的战争。
11.
That's because it's warmer in the south than in the north,
那是因为南方比北方热，
12.
isometric system
【物】立方系, 立方晶系
13.
method,style or manner of doing sth
（做某事的）方法,方式,手段
14.
Some time ago you told us that...
不久前贵方告知我方。。。
15.
The extraction of a root of a quantity.
开方，求一个数的方根
16.
How is the chain leading
锚链方向锚链方向怎样
17.
within reach of the shops
买东西很方便的地方
18.
cubic (lattice) cell
立方晶胞,立方点阵晶格