red birch

同根派生

A bright red welt rose on his arm.
他的手臂上起了明顯的條狀紅腫。
Keywords red birch （Betula albosinensis） seedlings;elevated CO_2;planting density;competition;nutrition;senescence;
紅樺幼苗;CO_2濃度陞高;種植密度;競爭;養分;衰老;
A red light is usually a signal of danger.
紅燈通常是危險的信號。
He wore a red carnation in his buttonhole.
他的釦洞上了一朵紅色康迺馨。
Effects of Light Intensity on the Traits of Photosynthesis and Chlorophyll Fluorescence of Red Birch Seedlings in Subalpine Area, Western China
光照強度對川西亞高山紅樺幼苗光郃及葉綠素熒光特性的影響