青年中文tract的意思
tract中文翻譯：
n.束；大片土地，地帶；小冊子
n.(Tract)人名；(英)特拉克特
tracts───n.神經束；廣闊的地面（tract的復數）
bract───n.[植]苞；[植]苞片
fract───adj.打破的；v.打破
tact───n.機智；老練；圓滑；鑒賞力
trace───v.（通過調查）找到；追溯；追蹤；沿（特定路徑）走；映描；（尤指用手指、腳趾）畫；勾畫出輪廓；n.痕跡；踏出來的小路；（大腦上的學習或記憶）痕跡；語跡；跟蹤；微量；絲毫；描記線；交線；韁繩；n.(Trace)（美）塔斯（人名）
track───n.軌道；足跡，蹤跡；小道；vt.追蹤；通過；循路而行；用纖拉；vi.追蹤；走；留下足跡
trait───n.特性，特點；品質；少許；n.（Trait）（美、法）特雷（人名）
trant───n.(Trant)人名；(英)特蘭特
trapt───v.（舊時用法）使陷入困境；卡住；收集；把……逼進（trap的過去式和過去分詞）；n.(Trapt)心靈枷鎖（美國搖滾樂隊）
She produced a feminist tract, "Comments on Birth-Control," in 1930.───她1930年寫了一篇女性主義短文《論計劃生育》。
A vast tract of land is ready for development.───一大片土地正待開發。
Foods are broken down in the digestive tract.───食物在消化道內被分解。
A more recent novel would almost inevitably have taken on something of the nature of a tract.───如果是一部比較近期的小說，幾乎一定會加上一點說教的口吻的。
It is usually not serious and is a localized infection of the respiratory tract, except in the elderly, very young and patients.───流感通常不是很嚴重，為呼吸道局限性感染，只有一些老年人，小孩和病人才會有嚴重并發癥。
At this point, ~85% of these upper motor neuronal axons decussate. These fibers then descend as the lateral corticospinal tract.───至此，有大約85%的上位運動神經元軸突交叉成十字形及如皮質脊髓側束般下降。
Sperm ejaculated into a woman's vagina can live in a woman's reproductive tract for up to five days or perhaps even longer.───射入女性陰道的精子可以在女性生殖管道存活至多5天，甚至更久。
Her eyes, wandering over a wide tract of country to the southeast, fondly rested on the farthest ridge of hills in the horizon.───她的眼光掃過一片寬廣的莊稼地，掠過東南，然后癡情地滯留于地平線上最遠的山梁。
So it is possible for a calcium tablet to pass through the digestive tract without being completely absorbed.───因此鈣片可能馳過消化道而沒有完全吸收掉。