常见例句双语例句Companion cells arrange in a row or single cell as long as the sieve tube member.伴胞为与筛管分子等长的一列或单个细胞。Companion cells arranse in a row or single cell as long as the sieve tube member.伴胞为与筛管分等长的一列或单个细胞。 返回 sieve tube member