形容詞 perceptible:

1. capable of being perceived by the mind or senses
2. easily perceived by the senses or grasped by the mind
3. easily seen or detected
   同義詞：detectable

1. Moving air, especially a natural and perceptible movement of air parallel to or along the ground.
   風(fēng)移動(dòng)的空氣，尤指與地面平行或沿地面空氣的自然且可察覺(jué)的移動(dòng)
2. A tremulous or pulsating effect produced in an instrumental or vocal tone by barely perceptible minute and rapid variations in pitch.
   顫音一種顫動(dòng)或振動(dòng)效果，由可察覺(jué)的微小迅速的音階變化在聲音或樂(lè)器的調(diào)子中產(chǎn)生的
3. It's perceptible that you are a good man.
   可以看出，你是一個(gè)好人。
4. People's living standard has had a perceptible improvement.
   人民的生活水平明顯地改善了。

per.cep.ti.ble

adj.（形容詞）
Capable of being perceived by the senses or the mind:
可感知的：能被感官或感覺(jué)所感知的：
例句：
perceptible sounds in the night.
在夜里總能感覺(jué)到聲響

來(lái)源：
Late Latin perceptibilis
后期拉丁語(yǔ) perceptibilis
from Latin perceptus [past participle of] percipere [to perceive] * see perceive
源自 拉丁語(yǔ) perceptus [] percipere的過(guò)去分詞 [感知] *參見(jiàn) perceive

【引伸】
percep.tibil.ity
n.（名詞）
percep.tibly
adv.（副詞）
<參考詞匯><同義詞>perceptible,palpable,appreciable,noticeable,discernibleThese adjectives apply to what is capable of being apprehended with the mind or through the senses as being real.
這些形容詞適用于用意識(shí)或通過(guò)感官可被察覺(jué)到為真實(shí)存在的東西。
Perceptible is the least specific:
Perceptible 是最不具體的：
例句：
After quite a perceptible pause, during which he consulted his notes, the lecturer continued.
演講人在很長(zhǎng)的一段可感知的停頓后，他核對(duì)了自己的筆記，然后繼續(xù)。

Palpable applies both to what is perceptible by means of the sense of touchand to what is readily perceived by the mind:
Palpable 既可用以表示通過(guò)觸覺(jué)感受到的事物，也可表示已通過(guò)意識(shí)感知到的事物：
例句：
.I felt as if my soul were grappling with a palpable enemy. (Mary Wollstonecraft Shelley).
.我覺(jué)得似乎自己的靈魂在與一個(gè)明顯的敵人格斗. （瑪麗·沃斯通克拉夫特·謝利）。

例句：
.The advantages Mr. Falkland possessed . . . are palpable. (William Godwin).What isappreciable is capable of being estimated or measured:
.福克蘭德先生所具有的優(yōu)勢(shì)…是顯而易見(jiàn)的. （威廉·戈德溫）。Appreciable 形容可被推測(cè)或估算的事物：

例句：
Appreciable amounts of noxious waste are still being dumped into the harbor.
可以估算的大量有害廢物仍被傾倒入海港。

Noticeable means easily observed:
Noticeable 意為很容易被觀察到的：
例句：
noticeable shadows under her eyes;
她眼睛下明顯的陰影；

例句：
a noticeable tremor in his voice.
他的聲音明顯地顫抖。

Discernible means distinguishable,especially by the faculty of vision or the intellect:
Discernible 意為可區(qū)別或可辨別的，尤其是通過(guò)視覺(jué)或理智：
例句：
The skyline is easily discernible even at a distance of several miles.
甚至在幾英里之外都可清晰地辨別出地平線。

例句：
The newspaper reports no discernible progress in the negotiations.
報(bào)紙報(bào)道談判沒(méi)有明顯的進(jìn)展