No one knows why a fetus is not automatically rejected by the mother’s immune system.沒有人知道為什么母親的免疫系統不會自動排斥胎兒。Modern medical technology like type-B ultrasonic checks can reveal the fetus gender.現在的醫療儀器例如B超是可以分辨出胎兒的性別的。Gro...
Inspect the closing of louver of funnel.檢測煙囪百葉窗的閉合性.A thread of smoke was wisping out of the funnel.一縷清煙從煙囪里裊裊而上.The funnel - shaped self - potential curve of the Eocene sands is well marked.始新統砂層的 漏斗形 自然電位曲線形態很明顯.I like...
She fell off a horse and suffered a con-cussion.她從馬上摔下來，造成了腦震蕩。His exhaust fell off six laps from the finish.離終點還有6圈時，他的排氣管掉了下來。Suddenly the horse lurched to one side and the child fell off.馬突然歪向一邊，小孩就摔了下來。...
Tubs planted with wallflowers brightened the area outside the door.桂竹香盆栽為門外的景致增色不少。He brightened up a bit.他高興一點兒了。By early afternoon the weather had brightened.中午剛過，天就放晴了。...