1.Drop词性：
vt. 滴；使降低；随口漏出；使终止
vi. 终止；下降
n. 滴；落下；滴剂；空投；微量
2.drop的用法
作为名词表示”滴；落下；滴剂；空投；微量“的意思，例如：
The top of the cloud rises into a jellyfish shape and long tentacles known as “trailing virga” form from rain drops that have evaporated.
事实上，往往在暴风雨侵袭得最猛烈的阶段过后，才能看到这种云层。
To give your skin a youthful glow like Angelina Jolie, mix a few drops of tinted moisturizer with a luminizing serum, then apply to your face.
为了让你的皮肤像年轻的安吉丽娜朱莉一样，混合几滴保湿剂和血清，然后涂到你的脸上。
作为动词表”滴；使降低；随口漏出；使终止“
For example, a cursed crawling tattoo of biocurrent when tapped, does not drop from the skin and attack the opponent but instead springs at the wearer's face and delivers the attack.
例如，当某诅咒的“生物电流”蠕行灵纹被开启时不是落在地上并攻击敌人，而是跳到穿戴者的脸上并发动攻击。
3.drop相关短语
drop in v. 顺便走访
a drop of something 一口酒；一杯酒
pressure drop 压力下降，压强下降
a drop of 一滴…
at the drop of 一看到…(就…)，一听到…(就…)
drop by 顺便拜访
drop out 退出；退学；脱离
drop by drop adv. 一滴一滴地
temperature drop 温差
drop down 落下；顺着向下移动
drag and drop 拖放
drop off 减少；让……下车；睡着
voltage drop 电压降落
a drop of water 一滴水
4.相关词语辨析
descend 通常指沿斜线或斜坡下降。
drop 指物体从一定高度落下。
fall 与drop同义，指突然或猛烈地降落，但fall也可指任何下落，同高度或形式无关。
sink 指在空气或水中垂直下降、下沉。