| 769 |
S |
screen |
In these cases, the screen is cleared.
|
n.[C][U]萤幕,筛子; vt.筛 |
|
| 770 |
S |
screw |
Make sure that the screw does not turn.
|
n.[C]螺钉; vt.(用螺旋)操纵,调节; vi.(螺丝等)转动 |
|
| 771 |
S |
seal |
Make sure that the lip seal (11) is in a good condition.
The opening for the neck is sealed.
|
n.[C]密封垫,封胶; vt.封,密封 |
|
| 772 |
S |
sealant |
|
n.[C]密封物,密封剂 |
|
| 773 |
S |
sealing |
Thoroughly dry the sealing surfaces.
|
n.[U]密封 |
|
| 774 |
S |
secondary |
hese send a signal to the secondary computer.
The other is the secondary flight plan.
|
adj.次要的,次级的、第二的 |
|