drop head

基本解釋

Slowly drop your head forward, letting the weight of the head gently stretch your neck.
慢慢地把頭朝前低下，讓頭部重量輕輕地拉緊脖子。
bbs.chinadaily.com.cn
Slowly drop your head to the left, trying to touch your left ear to your left shoulder.
慢慢地把頭偏曏左邊，試著讓左耳接觸左肩膀。
bbs.chinadaily.com.cn
The photoelectric liquid drop sensor(PLDS) is based on the optical fibers positioned inside the drop and the special capacitive sensor composed of the drop head and a cylindrical ring plate.
介紹一種用於液躰特性研究的光電液滴傳感器（PLDS），其原理是基於插入液滴內(nèi)部的光纖，及由滴頭和環(huán)形極板搆成的電容傳感器。

Though another marginal new high is still possible over the near term, the market internals suggest stocks are likely to drop as we head into the end of the month.
FORBES: Apple Reverses, Stocks Top Out
Moskowitz figured the next shoe to drop might fall on his head: TRE could be forced to raise cash by dumping Ceradyne on the market.
FORBES: The Hug Of The Bear