underwater [,ʌndɚ'wɔtɚ]

adj. 在水中的;水面下的; adv. 在水下，在水中;

💡 under下+water水→在水下的, 在水中的

"The ship was underwater when they reached her."

近义：immersed, subaquatic, subaqueous, submarine, submerged, submersed

long [lɔŋ] 词频1 词根: /lə/

adj. 长的;长时间的;冗长的，过长的;长音的; adv. 长久地;始终;遥远地; n. 长时间，长时期;[语]长音节;（服装的）长尺寸;长裤; vi. 渴望，极想;

💡 渴望见到很 长的龙（long） 长龙（拼音long)摆尾 网友：顾亮亮 补充：龙很长

"How long will I be under the anaesthetic ?"

近义：lengthened, lengthy, moderately, pretty, quite, rather 反义：little, minute, small, squat, slight

hold [həuld] 词频1 词根: /hʌn/

vt. 拿住，握住;保留，保存;扣留，拘押;容纳; vi. 拿住，握住;同意，赞成;保持不变;有效; n. 握住;保留;控制;

💡 形码：h-old：老人（old）紧紧握住车上椅子（h）以保持平衡。

"The police think the videotape may hold some vital clues to the identity of the killer."

近义：seize, fasten, grab, argue, maintain, sustain 反义：unhand

breath [breθ] 词频2 词根: br-

n. 呼吸;一口气;呼吸力;微量;

💡 breath(呼吸)和bread(面包)都很重要

"While climbing up the stairs the old man always loses his breath."

近义：respiration, puff, heart, spirit, strength, encouragement