1.
A first-quarter moon is halfway between new moon and full moon.
上弦月是新月和满月的中间状态。
2.
a less than average tide occurring at the first and third quarters of the moon.
发生在上弦月和下弦月的涨落最小的潮。
3.
In the first week the moon is in its first quarter, in the third week it is in its last quarter.
第一个星期月亮处于上弦月的状态, 第三个星期月亮处于下弦月的状态。
4.
They can clearly see one of their targets, the first quarter moon.
他们能够清晰地看到他们的目标之一――上弦月。
5.
The figure of the moon as it appears in its first or last quarter, with concave and convex edges terminating in points.
蛾眉月月亮在上弦时或下弦时的形状，其凹边和凹边均汇合成点
6.
To fit(an arrow) to a bowstring.
把（箭）搭在弓弦上
7.
A half moon is visible at the quadrature of the moon.
半形月在月弦的地方可以看得见。
8.
Of or relating to the strings of an instrument.
乐器上弦的或与乐器上弦有关的
9.
To remove from a string.
取下弦把…从一根弦（或线）上取下
10.
Simultaneous combination of notes in a chord.
和弦一根弦上的音节同时发生的组合
11.
A small tuning key for the wrest pins of a stringed instrument.
调音键弦乐上用于弦轴的调音键
12.
Both these ships set out from Shanghai on June 18th, 1872 on an exciting race to England.
一八七二年六月十八日这两艘由上海出发驶往英国的船，进行了一场扣人心弦的比赛。
13.
The sound of flutes and strings could be heard from all the houses in the neighbourhood; everywhere was singing;and overhead the bright moon shone in full splendour. The two men became very merry and drained cup after cup.
"当时街坊上家家箫管,户户弦歌,当头一轮明月,飞彩凝辉,二人愈添豪兴,酒到杯干."
14.
She can string a violin.
她会给小提琴上弦。
15.
first quarter
头等(光泽最纯)上弦日子
16.
Please start the clock going.
给钟上弦让它走动。
17.
motor winding type elctro-clock
用电动机上弦的电钟
18.
To play chords on an instrument.
在一件乐器上演奏和弦